Mathematics Questions and Answers January 06, 2021

The distribution of red blood cell counts is different for men and women in a certain population. For both, the distribution is approximately Normal. For men, the middle 95% range from 4.8 to 5.6 million cells per microliter, and for women, the middle 95% have red blood cell counts between 3.9 and 5.3 million cells per microliter. Complete parts

20 21 22 23 v 24 25 26 27 28 29 =30 31 32 Google it: According to a recent report, 65% of Internet searches in a particular month used the Google search engine. Assume that a sample of 23 searches is studied. Round the answers to at least four decimal places. Part: 0 / 4 Part 1 of 4 (a) What is the probability that exactly 19 of them used Google?

A group of patients is given a certain dose of a drug once. The patients eliminate the drug at a steady rate. Two measurements of the drug concentration in the blood are taken 24 hours apart to determine the rate at which the drug is removed from the blood stream. The measurements are given below. patient initial measurement (t=0) measurement

Test: Chapter 10 Test 2/ Question 3 Of 10 This question: 1 11:5 Submit test point(s) possible 03/ Suppose you roll a single die. If an odd number (1, 3, or 5) comes up, you win triple your roll, ($3, $9, or $15, respectively) If an even number (2, 4, or 6) comes up, 11:9 you have to pay the house double your roll ($4, $8, or $12 respectively.) (a)

Use the functions x} 2 x 3 and g(x} = x3 to find the indicated value or function. (F1 O 91)(1)

ANSWER NEATLY AND FOLLOW INSTRUCTIONS 3. Zuzus Sigmundi is a variable star. The average brightness of this star is 7.2 magnitudes and the maximum variation from the average is 0.9 magnitudes. The time between the maximum brightness and the next minimum brightness is 6 days. Consider a function, b, of the brightness of this star as a function of

Suppose that you are offered the following "deal." You roll a six sided die. If you roll a 6, you win $15. If you roll a 3, 4 or 5, you win $1. Otherwise, you pay $2. a. Complete the PDF Table. List the X values, where X is the profit, from smallest to largest. Round to 4 decimal places where appropriate. X P(X) b. Find the expected profit. $

\fX-X Vi = y X - X Vi = y ( x - x) (V, - J) S S. S 500 -1.1058 8,326.56 1.2229 -1.7471 -1.4163 2.4745 Drilling Time versus 500 0.9958 5,814.06 0.9917 -1.4599 -1.2754 1 8621 500 Depth -0.2458 2,626.56 0.0604 -0.9813 -0.3149 0.3090 2500 -0.8858 976.56 0.7847 0.5983 -1.1346 0.6788 10.00 2500 0.4842 39.06 0.2344 0.1197 0.6201 -0.0742 7500 -0.0558

Homework: Sec... Question 3, 15.4.5 > HW Score: 39.58%, 4.75

Homework Sec... Describe the given region in polar coordinates. The lower portion of the region is O (Type an exact answer, using It as needed.) HW Score 39.58, 4.75 Question 3, 15.4.5 O Points O of 1 2 O srs 2 . The upper portion of the region is 0 4d srs

Question 1 25 pts Calculate the total differential of z = x2y + xy2 + 5x2 - 8xy - y2 - 41x + 15y + 76. O (2xy+ y + 10x - 8y - 41) dx + (x2 + 2xy - 8x - 2y+ 15) dy O (2x + 2y - 8) dz O (-2x - 2y + 8) dz O ( x2 + 2xy - 8x - 2y + 15) dx + (2xy + 12 + 10x - 8y - 41)dy Question 2 25 pts Estimate the value of 1954.81 + 1528.81 by using differentials

3. [Marks:10] Testing of Hypothesis: A small scale restaurant owner did a survey in the area where his restaurant is located, and found that the average daily profit for a small scale restaurant business like his is Rs. 32500. He wants to test or verify if the average daily profit his business makes is significantly greater than Rs. 32500. For

answer the question please a) How many kilowatt-hours does the family use in the first T hours of a day (t = 0 to t = T)? b) How many kilowatt-hours does the family use in the first 4 hours of the day?JO Electrical energy use. The rate at which electrical energy is used by the Ortiz family, in kilowatt-hours (kW-h) per hour, is given by K(t) =

Do people with larger brains have higher IQ scores? The following figure shows the result of a study conducted on 40 volunteers, 20 selected for their high IQ - 130 or more - and 20 selected for their low IQ - 100 or less. The researchers' choice of studying high and low IQ scores only is reflected in the gap on the scatterplot for mid-range IQ

As an intern at a thin copper wire manufacturer, you need to help them understand their quality levels. There is a problem with flaws on the copper wires. Suppose that on average, there are of 2.3 flaws per millimeter. a. What is the probability that there are more than 1 flaw in 1 millimeter of wire? b. Assume that the distance between two

For Statistics. 6 1. Does empathy differ depending on how many people you live with? The Empathy Scale answered on a 7-point scale, higher scores indicate greater empathy. I am a caring person. (empathy 1) 2. I often find myself caring for others. (empathy2) 3. I find it easy to relate to people. (empathy3) 4. When I can I like to make people feel

Persons submitting computing jobs to a computer center usually are required to estimate the amount of computer time required to complete the job. This time is measured in CPUs, the amount of time that a job will occupy a portion of the computer's central processing unit's memory. A computer center decided to perform a comparison of the estimated

F A E H D G I B CHEDWWUOWD' 7. Write down the cell entries for the adjacency matrix corresponding to the graph shown in Figure 1 (3pts)

Please help Nicole is really getting tired of the loud group behind her in BioCalculus class, so she decides to spread a rumor about them to her closest friends. Nicole is very popular and has many friends. The number of friends of Nicole, N(t) , who have heard the rumor by time t in hours since the rumor started to spread can be approximated by a

Once a year employees at a company are given the opportunity to join one of three pension plans, A, B, or C. Once an employee decides to join one of these plans, the employee cannot drop the plan or switch to another plan, Past records indicate that each year 9% of the employees elect to join plan A, 7% elect to join plan B, 20% elect to join plan

My library > MAT 243: Applied Statistics | for Science, Technology, Engin... > 5.2: Confidence intervals for population means E zyBooks catalog ? Help/FAQ CHALLENGE ACTIVITY 5.2.1: Confidence intervals for population means. 388012.2309728.qx3zqy7 Jump to level 1 1 Suppose the mean height in inches of all 9th grade students at one high school is 2

nedd help Question 1 of 14 ions Problem 5.08 (Loan Amortization and EAR) O Check My Work (2 remaining) O eBook Problem Walk-Through You want to buy a car, and a local bank will lend you $25,000. The loan will be fully amortized over 5 years (60 months), and the nominal interest rate will be 6% with interest paid monthly. What will be the monthly

In 2015, Company X had 50% of the domestic beer market, Company Y had 30%, and Company Z had 20%. Since then, the three companies have introduced new products and have doubled their advertising expenditures. Three random samples of 500 beer consumers each were selected last month, and the results are as follows: Sample 1: 300 of the 500 consumers

7. To convert temperatures from degrees Celsius to degrees Fahrenheit, you can use the function F (x) = = x+32 where x is the temperature in degrees Celsius. To convert temperatures from 5 degrees Kelvin to degrees Celsius, you can use the function C ( x) = x-273.15, where x is the temperature in degrees Kelvin. Find the composite function that

Which of the following pairs of variables X and Y will likely have a positive correlation? (1) the speed of a wind turbine and the amount of energy it produces (ll) the price of gasoline and the demand for electric vehicles (Ill) the speed of a car and the time it takes to reach a destination O a. I only O b. II and Ill only O C. | and ll only O

Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Find the probability that a given score is less than - 1.42 and draw a sketch of the region. Sketch the region. Choose the correct graph below. O A. O B. O c. OD. -1.42 1.42 -1.42 -1.42 1

You do not need to show your work~~ The graph of a function f is given. (Enter your answers as comma-separated lists.) x (a) At what numbers a does lim f(x) not exist? x- a a = (b) At what numbers a is f not continuous? a = (c) At what numbers a does lim f(x) exist but f is not continuous at a? x - a 2 =Explain why the function is discontinuous at

Bidhda te Po is a trauma nurse who sees 9 cases in a given day. P bf f t i The probability of a patient being AB+ (a universal "3 em or yo\" 0 5 \"9 recipient) is 0.03. What is the probability that 2 of the patients are AB+? What is the probability that less than 4 of the patients Problem for your classmate to solve are AB+

Question 15 Slack in PERT/CPM is the length of time an activity can be delayed without increasing the project cost. delayed with the increase of the project completion time. delayed with the increase of the project cost. delayed without increasing the project completion time. None of the above. Question 16 In the Inventory models, the holding

Any student who answered yes to one or more of these questions was considered to have been involved in some type of cheating. The data collected is shown in DATAFile Bayview. 3. Conduct a hypothesis test to determine if the proportion of business students at Bayview university who were involved in some type of cheating is less than that of

3 Probability Republican Democrat Independent Total Male 218 129 C 347 Gender Female 23 65 88 Total 241 194 435 Senate Political party Republican Democrat Independent Total Male 47 30 79 ON Gender Female 5 16 21 Total 52 46 2 100 EXERCISES 1. Find the probability that a randomly selected 5. A senator is selected at random. Find the representative

A store manager estimates that the demand for an energy drink decreases with increasing price according to the function dlp} = , which means that at price p p2+3 [in dollars}, dp} units can he sold. The revenue generated at price p is Rp}=p-d(p} [price multiplied by number of units}. a. Find and graph the revenue function. h. Find and graph the

Consider the following competing hypotheses and accompanying sample data. (You may find it useful to reference the appropriate table: z table or t table ) H 0 : p 1 p 2 0 H A : p 1 p 2 < 0 x 1 = 255 x 2 = 265 n 1 = 444 n 2 = 444 a. Calculate the value of the test statistic

Suppose that a local chapter of sales professionals in the greater San Francisco are survey of its membership to study the relationship, if any, between the years of exp salary for individuals employed in inside and outside sales positions. On the survey were asked to specify one of three levels of years of experience: low (1-10 years), years),

Suppose you'd like to know the determinants of property value, and build the following regression model: log(house_price) = 0 + 1 sqft + 2 bedrooms + 3 year_built + You want to know whether the number of bedrooms is more important, or the year the house was built is more important. Which of the following should you do? a. Directly compare 2 and 3

Let X represent the amount of gasoline (gallons) purchased by a randome selected customer at a gas station. Suppose that the mean value and standard deviation of X are 20.4 and 8.4, respectively. (a) In a sample of 100 randomly.r selected customers, what is the approximate probability that the sample mean amount purchased is at most 19 gallons?

In a previous poll, 29% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 1075 adults with chitdren under the age of 18 were selected at random, and 288 of those 1075 adults reported that their family ate dinner together seven nights a week. Is there

QUESTION 19 . 1 POINT The lengths of text messages are normally distributed with an unknown population mean. A random sample of text messages is taken and results in a 95% confidence interval of (23, 47) characters. What is the correct interpretation of the 95% confidence interval? Select the correct answer below: O We estimate that 95% of text

Consider the following wave equation utt = \"xx u(0, t) = u(1,t) = 0, t 0 S _ x; I \"(mm {0.1 0.1;: 0.1

As reported in "Runner's World" magazine, the times of the finishers in the New York City 10 km run are normally distributed with a mean of 61 minutes and a standard deviation of 9 minutes. Let x denote finishing time for the finishers. a) The distribution of the variable x has mean and standard deviation . b) The distribution of the standardized

ASSIGNMENT THREE Practical exercise using secondary data, SPSS and basic statistical analysis Task: The purpose of the following exercise is to give you some familiarity with using official data, and practice in evaluating it as a tool for applied social research. You will find it helpful to review topics from weeks 12-16 and use what you learned

3. A piece of new equipment has been proposed by engineers to increase the productivity of a certain manual welding operation. The investment cost is $25,000, and the equipment will have a market value of $5,000 at the end of a study period of six years. Increased productivity attributable to the equipment will amount to $8,000 per year after

l. The cost in dollars of producing x units of a particular telephone is C(x) = x2 - 2500. (10 points) a. Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 103. Include units in your answer. b. Find the instantaneous rate of change of C with respect to x when X = 100. Include units in

Do Homework - HW 11.8 X + O - C 0 mylab.pearson.com/Student/PlayerHomework.aspx?homeworkld=617759693&questionld=3&flushed=false&cld=6827296&back=DoAssignme.. ( x Spring 22-Demarais-MGF1106-51-002-HY-T 7:00-8:15 Savannah Brook Homework: HW 11.8 Question 7, 11.8.15 HW Score: 33.33%, 2.33 of 7 points Part 1 of 2 Points: 0 of 1 A game is played using

I managed to narrow things down to a and d. I am not sure how to decide what happens beyond this. Will there be a point where the angle stops increasing all together since the camera may be pointing exactly at 90 degrees? Or will it just move extremely slowly but still increasing? How do I tell the difference? I set up a camera to document the

The following cumulative frequency distribution shown the profit made in October 202]. by the St} restaurants selected in Damamara. (i) (ii) (iii) (iv) Prot RM'DD State the variable of interest. Indicate whether the variable is a quantitative discrete. quantitative continuous or qualitative. [2 marina} Draw a less than cumulative Frequency polygon

Clara and Rose work at different companies. Clara earns an annual salary of 55,500 and Rose earns an annual salary of 58,000, but they are curious to know whose salary is closer to the mean salary at her company. Clara calculates a z-score of z = -0.45 for her salary, when compared to her company, and Rose calculates a z-score of z = -0.33. Whose

Question 4: Let's say x= 1, 2, 3 and Y= 6, 4, 3. Please find a. ) Correlation coefficient r (show by hand or by using = correl function in excel). Also, what does our correlation r tell us? Please explain. b. ) Now find our r squared (also known as Coefficient of determination). What does this r squared tell us? Please explain. c. ) Find the

Gmail YouTube Maps Living Environment. 5. [-/7 Points] DETAILS PODSTAT6 7.4.042. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose that for a particular computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. X 5 6 8 P(x) 0.04 0.09 0.12 0.31 0.31 0.11 0.01 0.01 (a) Find the

Several investigators are investigating the hypothesis that variation in provincial governmental immunization requirements among 23 Chinese provinces affects measles vaccination prevalence among 4 year olds in 2019. What study design would they use? Select one or more: a. Case control b. Ecologic cross-sectional c. Retrospective cohort d. Case

Age of Empires IV allows players to choose one of a set of asymmetric factions to control in a real time strategy contest. One of the challenges of asymmetric factions is balancing the abilities of each so that no one faction is the 'best' or wins more often against players of equal skill. The software developer has run an experiment randomly

III. ASSESSMENT A. State the null and alternative hypotheses in words and in symbol. 1. The average age of community college students is 24.6 years. Ho: HI: 2. The average age of attorneys is greater than 25.4 years. Ho: HI: 3. The average score of high school basketball games is less than 88. Ho: HI: B. Determine if one-tailed test or two-tailed

Quiz Me: Quiz Me: 2.1-8 Solve applications involving exponential and logarithmic functi... Question 4 This Quiz: 4 pts possible A cup of hot coffee is placed on a counter and allowed to cool. The temperature (in degrees Celsius) of the coffee I minutes after being placed on the counter is given by the accompanying function. Complete parts (a)

5. (3 pts) In this question, we will write a Taylor polynomial that approximates f(x) = ez-4 and get ready to use it to estimate e0.41. Follow the instructions and show all your infor- mation in a clear manner. (a) Find f'(x) and f"(x). (b) Given that f'(2) = 4 and f"(2) = 18, write the Taylor polynomial T2(x) of degree 2 for f(x) centred at a =

A golf equipment manufacturer would like to convince members of a club that its golf balls travel farther than those of a rival. For the comparison, twelve golfers have randomly selected from the club to each drive a ball from this manufacturer and from the rival. The results show the distance traveled, in yards. The complete set of results is

Im just trying to find the class width the book says its 9 but I get 7.83 or 8 if rounded width = (98-51)/6 = 7.83 Am I messing up somewhere? 6. Ages of the Vice Presidents at the Time of Their Death The ages at the time of death of those Vice Presidents of the United States who have passed away are listed below. Use the data to construct a

96% T Collaborate Format Document View Zoom Add Page Insert Table Chart Text Shape Media Comment 4. A pizza shop owner wishes to determine if the type of pizza a person selects is related to the age of the individual. The data obtained from a sample are shown here. At a 0.05, is the age of the purchaser related to the type of pizza ordered? Type

please show the output from excel I am unsure how to do that. Blue Box is testing a new "half price on Tuesday" policy on DVD rentals at a sample of 10 locations. (a) At = .10, do the data show that the mean number of Tuesday rentals has increased? (b) Is the decision close? (c) Are you convinced? Customer New Price Old Price 1 15 10 2 12 6 3 16 9

1. [8 pts] A news item is spread by word of mouth to a potential audience of 10,000 people. After t days, the number of people will have heard the news is given by: 10,000 N(t) = 1 + 50e-0.4t a. Find the rate at which the news is spreading after 14 days. b. Approximately when will the news be spreading at the rate of 600 people per day

Chapter 4 - Descriptive Statistics Chapter 4 CASE : PLE : Elizabeth Burke has received several questions from other PLE managers regarding quality, customer satisfaction, and operational performance. She would like you to summarize some data from the Performance Lawn Equipment Database using statistical tools and analysis: 1. Frequency

Problem 1: (15 pts) The proprietor of a clothing store in New York wants to study the average age of his customers. A random sample of 25 customers revealed an average age of 35 years with a standard deviation of 5 years. a) (2 pts) What is the point estimate of the true average age of all customers? b) (8 pts) Construct 90% confidence interval

A population P of zooplankton at time t can be modelled by the following relationship: 2P - # + P- = 7.61 (a) True or False: there exists a time t 2 0 such that the population is zero. Select one choice below and justify your selection with a full sentence on Crowdmark. () Find the instantaneous rate of change of the population with respect to

I really need help with these practice questions please . 4. Use the following graph of y = f(x) to sketch the graph y = f'(x). In your solution, please highlight the points corresponding to (-1, 1.25), (0, 1), (1, 1.25). (1, 1 25) -2- (1, 1.25) (0, 1) -2 0 -2- If you like, you may use the following graph paper to graph y = f'(x): 2- -2 0 N- -25.

A political pollster is conducting an analysis of sample results in order to make predictions on election night. Assuming a two-candidate election, if a specific candidate receives at least 55% of the vote in the sample, that candidate will be forecast as the winner of the election. You select a random sample of 100 voters. Complete parts (a)

HW-23-Marginals Section 4.9: Problem 5 (1 point) Pierce Manufacturing wants to estimate the daily prot P(x), in dollars. from the sale of x lawn chairs. They calculate that the prot lrnm the sale of 98 lawn chairs is 1078, and the marginal prot when 98 lawn chairs are sold is 14 dollars per lawn chair (a) Estimate the profit from the sale of 99

Consider the following properties of a function f: f is continuous on (, 2) (2,); f(1) = 0; lim x f(x) = , limx f(x) = 3; lim x2 f(x) = , lim x2+ f(x) = ; f 0 (x) 0 when x (, 1) (3,); f 00(x) 0 when x (2, 4). Draw one possible example of a function y = f(x) that has the above properties. Point out on your graph all local extrema (and their type),

Do Children Need Sleep to Grow? Aboutof a child's growth hormone is secreted during sleep, so it is believed that a lack of sleep in children might stunt growth. 1 1 Rochman, B., "Please, Please, Go to Sleep", Time magazine, March 26, 2012, p. 46. What is the explanatory variable in this association? (B)What is the response variable in this

Sample data were collected to evaluate the analgesic effectiveness of a daily dose of oral methadone in 11 patients with chronic neuropathic pain syndromes. The researchers used a visual analogue scale (0-100 mm, higher number indicates higher pain) rating for maximum pain intensity over the course of the day. Each patient took either 20 mg of

Critical values for quick reference during this activity. Confidence level | Critical value 0.90 2* = 1.645 0.95 2* = 1.960 0.99 2* = 2.576 177294.2351192.qx3zqy7 Jump to level 1 In a poll of 1000 randomly selected voters in a local election, 724 voters were in favor of school bond measures. What is the 90% confidence interval? [ Ex: 0.123 $ Ex:

1 We collect the ages of all of the lions in the zoo... Calculate for the following population of N = 7 scores: X = [8, 6, 5, 2, 6, 3, 5] Sum of squared deviations (SS) Population Variance ( 2) Population Standard deviation ( ) 2. Let's say we're interested in the distribution of plundered gold among 100 pirates... But, we only have time to look

Question 1. Let f, u and v be differential functions such as: u (0, 0) = 1 v (0, 0) = 2 u x (0, 0) = -3 u y (0, 0) = 4 v x (0, 0) = 2 v y (0, 0) = 3 u y (0, 0) = -2 u y (1, 2) = -5 ?f (1, 2) = 5i ? -3 j ? ?f (0, 0) = 0 ? If z(x, y)= f(u(x, y), v(x, y)), then what is the value of z y (0, 0)? Question 2. Let R be the rectangle

Suppose we have N independent samples of some random variable. The samples are used to create a histogram based on just two bins. Suppose the probability that a sample is in binl is p1 and the probability that the sample is in bin2 is p2. Let X1 be the number of samples that are in bin'l, and X2 be the number of samples that are in bin2. The fit

Provisional Number of Live Births. Deaths. Marriages and Divorces. Each State, D.C. and Puerto Rico January 2022 Live Births Deaths Marriages Divorces Alabama 6,616 9,177 1,693 3,115 Alaska 6,399 5,773 141 957 Arizona 5,320 6,151 1,852 3,462 Arkansas 7,454 6,880 1,737 3,148 California 23,038 21,358 9,836 20,862 Colorado 6,212 7,954 3,069 5,502

We would like to examine whether there is evidence that the true mean amount spent on bus tickets by U of M students in one month is greater than $90. Bus ticket expenses (per month} are known to follow a normal distribution. A random sample of 36 students is selected. The mean and standard deviation of the amount spent on bus tickets for one

Background data: The Arbograss report confirmed that water usage of guest showers was also normally distributed with a mean of 30 gallons and a standard deviation of 10 gallons. Question: Suppose that Bates wants to collect his own data on water usage. He wants to compute a 95% confidence interval of the form 1 gallon for the true mean water usage

A potter forms a piece of clay into a right circular cylinder. As she rolls it, the height h of the cylinder increases and the radius '1' decreases. Assume that n0 clay is lost in the process. Suppase the height of the cylinder is increasing by 0.1 centimeters per second. What is the rate at which the radius is changing when the radius is 6

The standard form of the following linear programming model is given. Find the values of variables at the point of intersection of constraint 1 andconstraint 2 . (Round your answers to 3 decimal places.) Z=4X1+X2+0S1+0S2+0S3=0S4 s.t. X1+3X2-S1=12 7X1+5X2+S2=40 3X1-S3=2 X2+S4=6 X1,X2,S1,S2,S3,S4 >=0 a. What is the value of x 1 ? x 1 Answer b. What

17. [-71 Points] DETAILS LARPCALC11 1.4.065.MI. MY NOTES ASK YOUR TEACHER PRACTICE A company produces a product for which the variable cost is $12.07 per unit and the fixed costs are $90,000. The product sells for $17.22. Let x be the number of units produce (a) The total cost for a business is the sum of the variable cost and the fixed costs.

Solve the following problems down below. Review Worksheet Stats 2 quiz 1. Using the 66/95/99 rule, estimate a. p(z>1) b. p(z

help meee Save Submit Assignment for Grading ons Problem 4.09 (BEP, ROE, and ROIC) Question 11 of 11 Check My Work (2 remaining) O O eBook Problem Walk-Through Broward Manufacturing recently reported the following Information: Net Income $582,000 ROA 10% Interest expense $232,800 Accounts payable and accruals $950,000 Broward's tax rate Is 25%.

Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s). Then calculate the instantaneous velocity for the given value of t. s = 31- - 2t; t = 1 The expression for the instantaneous velocity of the object is The instantaneous

A bank has a policy that the proportion of loans made to people with more than $50,000 in debt should not be more than 0.15. The bank checks a randomly chosen sample of 75 customer's debt amounts to determine if the proportion is more than 0.15 at a significance level of 0.05. Use Sheet 2 of the Excel file, which gives the customer's debt amounts

please answer part a, b and c okmarks Read Question 8/9 Ov NEXT BOOKMARK X a Recently, a company had to lay off 10 employees. The company claimed that it select the employees who were fired at random. Of the 10 employees fired, 5 were women (50%). However, only 10 of the company's 30 employees were women (33%) (a) Find the number of way in which a

\f4-. [-1'25 Points] DETAILS SCALCETB 4.2.017. Let x) = (x 3)_2. Find all values of c in (1, 4) such that K4) l) = f'(c)(4 1). (Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.) C= Based off of this information, what conclusions can be made about the Mean Value Theorem? 0 This contradicts the Mean Value Theorem

A simple random sample offront-seat occupants involved in car crashes is obtained. Among 2847 occupants not wearing seatbelts, 30 were killed. Among 7833 occupants wearing seatbelts, 17 were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts(a) through(c) below. Test the

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Fill in the blanks options are given below An object has an acceleration given by the equationa(t) = 2(t -14) . Given that the object was initially at rest, find the following Acceleration at time t = 4 Choose... Direction in which it is moving at time t = 4 Choose... Velocity at time t = 4 Choose...

Q1 (15 points) Consider the following 12 + 23 + 32 + ... + ( 37 ) ? (a)[1 point] Turn the given sum into sigma notation. (b)[2 points] Use the sigma identities to show that 12 + 22 + 32 + ...+ (3n)2 n(3n + 1) (6n + 1) 2 (c)[12 points] Use the principle of mathematical induction to prove that 12 + 22 + 32 + ... + (372) ? n(3n + 1) (6n + 1) 2

Question 5 of 11 - Sec X X Mathway | Calculus Pr X Course Hero X Course Hero X Course Hero X C My Code: ISP Class Im X Gen.G vs. Cloud9 / 20. X + X assessments.macmillanlearning.com/sac/4895096#/4895096/4/1 60 ABP Apps >Dashboard YouTube ? Lol Esports Home / Twitter & Comp Sci Four year... " Twitch . Lol Stats, Record R... Watch Free Movies...

Answer question d Points: 0.5 of 1 Save A polling company reported that 53% of 1018 surveyed adults said that rising gas prices are "quite annoying." Complete parts (a) through (d) below. b. Could the result from part (a) be the actual number of adults who said that rising gas prices are "quite annoying"? Why or why not? O A. Yes, the result from

A Statistical Test for u 5.16 A study is designed to test the hypotheses Ho: uu 2 26 versus Ha: u

Question 2 (Notes 3 Tar Spots) Not Visibly Minimally affected Moderately affected Heavily affected Total affected Red 17 18 5 2 42 Silver 13 9 6 4 32 Norway 7 5 2 0 14 Black 4 0 0 4 Total 41 32 13 6 92 A tree is sampled at random from the tract of land studied. What is the probability...Tar Spot Example f. To test whether the events Species:

Question 29: A normal distribution of scores has a mean of 22.19 and a standard deviation of 13. What is the exact proportion of the distribution falling below 18? (1.5 Points) The answer should be given to four decimal places. Question 30: A normal distribution of scores has a mean of 10.3 and a variance of 5.16. What is the exact proportion of

An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not

Problem 3. Given the equation for the rational function, r(x) = x+4 x-2 Describe the following (making sure to explain your thinking) a. the domain and range of r(x) b. the y-intercept and any x-intercepts c. r(x)'s end behavior d. asymptotes (including how you can use algebra to show they are there) e. intervals when r(x) is positive, and

With solution need it now 8) The probability of tossing a head with a biased coin is 0.62. The coin is tossed 100 times. a) Find the expected number of heads. [3] b) Find the variance of the number of heads. [3] c) A student wishes to use an approximation to estimate the probability that fewer than 70 heads are obtained when the coin is tossed 100

Refer to the figure at the right. At a = 0.10, can you reject the claim that the proportion of 18 to 24-year-olds living in their parents' homes in 2000 was the same for Percentage of 18- to 24-year olds living in parents' homes men and women? Assume the survey included a random sample of 258 men and 250 women. 70352.9% 41.3% 50.2% 46.2% 2000 2012

Et legeme i rommet er gitt ved ulikhetene p 5 5 cos ( b ) P sin() og 0

5 5 Et legeme i rommet er gitt ved ulikhetene p og cos() sin() 0 i kulekoordinater. Legemet har uniform tetthet lik 1. Sett opp de fire integralene du trenger for finne tyngdepunktet til legemet, og regn deretter ut. Hva er massen m Regn ut tyngdepunktet og skriv inn koordinatene under. xkoordinat y koordinat zkoordinat Sjekk

w MyLa X Assig X @ Do H X W LECT x | _ Cour: x | Rate x | @ Do H x | _ Assic x | > What x | Cour x | G ones X and Critic x Repo x 4 Desn x + C A mathxl.com/Student/PlayerHomework.aspx?homeworkld=617002867&questionld=1&flushed=true&cld=6811421¢erwin=yes * *Update Psych 315, Winter 2022 Raphaela Nicholls 02/07/22 1:23 AM Homework: LAB ASSIGNMENT

Consider the data with analysis shown in the following computer outputs Level N Mean StDev A 6 10.100 2.942 B 5 16.800 2.168 4 10.800 2.387 Source MS Groups 2 138.60 69.30 10.50 0.002 Error 12 79.17 6.60 Tota 14 217 77 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in

Question 3 of 10 1 Points Suppose f(x) is a piecewise function with f(x) = 5x +3k for x2 -2 f(x) = k - 2x2 forx 2 For what value of c is f continuous at x = 2? A. -3 OB. 2 O C. 3 O D. - 1 O E. no value of c Reset Selection