Mathematics Questions and Answers October 15, 2020

(a) Strong Negative Correlation (r= -.933) (b) Moderate Negative Correlation (r= -.674) (c) Moderate Positive Correlation (r= .518) (d) Strong Positive Correlation (r = .909) (e) Virtually No Correlation (r=-.004)

5 . Suppose C(x) represents the cost (in thousands of dollars) to manufacture x computers. (4 pts each) a) Interpret C(200) = 140. b) Interpret the information provided by C'(200) 0

Can you help me? I don't know where to start. 515 Project Checklist The goal is to analyze the data and to present the results so that someone who had not had a statistics course could understand them. Le. explain what it means. Part 1 - Define the question you are trying to answer Part 2 - Say why this question is of interest Part 3 = Reference

Paso a paso el problema

Sabiendo que la masa atomica del Elemento Niquel es de 58.69 u y que esta formado por dos isotopos de masas 57.2 u y 60.1 u. Calcula las abundancias

Samira buys a bag of cookies that contains 6 chocolate chip cookies, 4 peanut butter cookies, 4 sugar cookies and 6 oatmeal raisin cookies. What is the probability that Samira randomly selects an oatmeal raisin cookie from the bag, eats it, then randomly selects another oatmeal raisin cookie? Express your answer as a reduced fraction. Giving a

Learning Objectives 3a and 3c Rubric: "1" correctly set up the limit of a Riemann sum and evaluate the limit of the Riemann sum for 3a, and correctly use FTC II to evaluate the integral for 3c. "0" incomplete work or incorrect answers. The goal in this problem is to rewrite the following definite integral as a limit of a Riemann sum. Your final

7 4 ED 15/21 v For a certain large chain of supermarkets, a random sample of 40 supermarkets from one state was chosen. Of those 40 supermarkets sampled, 40 percent had been recently remodeled. For which of the following populations is 40 percent a reasonable estimate of the percentage of supermarkets that had been remodeled? A. All supermarkets

1. Over the past decade, the mean number of hacking attacks experienced by members of the Information Systems Security Association is 510 per year with a standard deviation of 14.23 attacks. The number of attacks per year is normally distributed. Suppose nothing in this environment changes. A. What is the likelihood this group will suffer an

Consider the following exercises 1. Define the expression limit of f(x) as x approaches c in your own words. 2. Describe the difference between f( 1 ) and lim f ( x ) and explain when they would be the same number. 3. What is the limit of f(x) = 1 as x-II 4. What is the limit of g(t) - tas t-II 5. Is it possible to tell if lim f ( ac ) exist by

__.__________ The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips (at What is the probability that a randomly selected bag Contains between 1000 and 1400 chocolate chips, inclusive? (b) What is the probability that a randomly

Please find the test statistic A marketing consulting group reported that the typical person in a certain country spends a mean of 144 minutes (2.4 hours) per day accessing the Internet via a mobile device. In order to test the validity of this statement, you construct a simple random sample with 30 observations. The data is found in the

2/In an analysis of variance, if F

Find a formula for the exponential function passing through the points (-3,1/2) and (3,32). (Please show me how you would get this, I'm having a hard time with how to figure it out)

Submit test A study done by researchers at a university concluded that 85% of all student athletes in a country have been subjected to some form of hazing. The study is based on responses from 1700 athletes. What is the margin of error and the 95% confidence interval for the study? . . . The margin of error is (Round to four decimal places as

Suppose four point masses are placed in the xy-plane as follows: m1 = 2 kg, placed at (4, -4); m2 = 3 kg, placed at (-2, -1); m3 = 1 kg, placed at (-2, 1); and m4 = 1 kg, placed at (4, 3). What are the coordinates a and y of the centre of mass? a Check

The National Cable and Telecommunications Association recently reported that the mean number of HDTVs per household in the United States is 2.30 with a standard deviation of 1.474 sets. A sample of 100 homes in Boise, Idaho, revealed the following sample information. # of HDTV's # of Households 0 7 1 27 2 28 3 18 4 10 5 or more 10 TOTAL 100 At the

Find DFITS for an observation with an externally studentized residual of 1.27 and leverage of 0.15

Find DFITS for an observation with an externally studentized residual of 1.27 and leverage of 0.15.

8 Q08 Compute average Fare of all passengers from TDS_Sex_Pclass_Sorted up to 2 decimal points. The average Fare for all passengers: 32.2/

2. Consider the following sets: C:{x|leSS,xeN} D:{y|-5

2. Consider the following sets Are sets C and D disjoint or intersecting sets Illustrate your answer with a word description or diagram. (2 marks)

Assume that population proportion is to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval. Sample size, n=535; sample proportion, p=0.2. The margin of error is

11. [/4 Points] DETAILS SCALC8 3.1.015. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sketch the graph of fby hand and use your sketch to find the absolute and local maximum and minimum values of f. (Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.) f(X) = ;(3x 3), x s 3 absolute maximum value absolute minimum

QUESTION 4 Hiight's claim that its large box of candies contains 5.7 pounds of toffees. Some doubtful customers wants to perform a hypothesis test, with a .05 level of significance, to check Hiight's claim. A random sample of 39 cans provides a sample mean of 5.85 pounds. Previous tests show that the population standard deviation can be assumed

Twenty students in a beginning computer science course were randomly selected Computer Science Course Scores and given a computer-science aptitude test at the beginning of the semester. Their achievement in the course was then measured by a comprehensive final at R the end of the semester. The scores are summarized below: Aptitude Test Score:

Identify the Level of Measurement: a. Temperature in degrees Fahrenheit: O Interval O Ordinal O Ratio O Nominal b. Weight of fish in kilograms: O Nominal O Interval O Ratio O Ordinal20 20 22 23 24 24 24 24 26 27 28 29 29 29 30 30 30 35 35 37 37 38 41 41 41 42 42 44 45 50 52 52 53 54 54 55 57 57 58 59 Find the 20th percentile for the data above.

Question 14 A card is randomly chosen from a standard deck of cards. What is the probability that it is red or a face card ? 8 / 13, 19 / 26, 4 / 13, 3 / 26 Question 15 If a fair die is rolled 3 times, what is the probability that at least one roll be a 2 ? Group of answer choices 91 / 216 125 / 216 2/3 8 / 27 Question 16 If a fair coin is flipped

0 Question 10 B 0/10 pts 0 3 2 98 (D Details q The function graphed above is: Increasing on the interval(s) :] Decreasing on the interval(s) :] Question 12 0/10 pts ) 3 99 0 Details Consider the function graphed at right. The function has a Select an answer v of at c = The function is increasing on the interval(s): -5 1 2 3 The function is

The graph of the following function is shown to the night. Find the coordinates of the minimum point. f(X)= -5x+ ex The xcoordinate is (Type an exact answer.) The ycoordinate is (Type an exact answer.) IIIIIIIEE

Using the Law of Sines to find all triangles if / A = 47', a = 29, b = 31. For the obtuse angle we have: If no answer exists, enter DNE for all answers. /B' is degrees; 20' is degrees; c' = For the acute angle we have: If no answer exists, enter DNE for all answers. ZB is degrees; ZO is degrees; C = Round all answers to the hundredths place.

Need help with the following questions (4 pts) Rewrite as a single logarithm. Do not leave negative exponents in your answer. 5 log(x) - 3 log(z + 4) + 2log(y) (4 pts) Fully expand the logarithm expression below. 5y3 log4 x522

Kindly please digitalized it, thank u. Patterns of Data in Scatter Diagram Linearity refers to whether a data pattern is linear (straight) or nonlinear (curved) 25 25 20 20 15 15 10 11 S 11 11 https://stattrek.com/statistics/charts/scatterplot.aspx Property of STI SH1901 Week 15 - 18Trn rl V refers to the direction of change in variable y ' gets

Dean was searching through a list of movies on his streaming movie service and wanted to only look at movies that were rated 4 out of 5 stars or higher. There are a total of 200 movies listed. If 19 of these movies have ratings of 4 stars and 6 have ratings of 5 stars, what is the probability that Deon will randomly select a movie with at least a

Bookmarks g - Google Search New Tab Google Amazon.com: Prim.. ] HDMoviesBD.Com |.. . 5 SolarMovie - Watch... Free Plagiarism Che.. Movieruiz / Watch B. Remaining Time: 1 hour, 51 minutes, 13 seconds. Question Completion Status: b. From the choices below, enter the letter corresponding to the correct test statistic and its formula. A. MST B. F- MSE

Differentiation and applications The Derivative of ^x ^f(x) (* Ignore this section* - wk 2, 7E Q6-9) ) Please answer the questions on the attachment below. ( ON PAPER/WRITTEN ) ( Please keep solving and explanation seperate) 6 multiple choice The derivative of 6ex-5x is equal to: A 3x2 - 5 B 6(3x2 - 5)ex3-5x C (3x2 -5)ex3-5x D 6(x3 - 5x)ex3 -5x E

Which of the following z-score values represents the location closest to the mean? 7 =40.50 Z =+1.00 O Z=-1.00 2=-2.00O Above the mean by 2 points O Above the mean by a distance equal to 2 standards deviations Below the mean by 2 points O Below the mean by a distance equal to 2 standard deviations\fO It also increases O It decreases It stays

The graph shown is {{x) = 2x2. What is the integral that denes the area under this line between 3: = -1 and x = 1? The graph shown is x) = x + 3. What is the integral that denes the area under this line between x = 1 and x = 5? \fWhat is f(x) given the integral function f(x) = u-1/2d u? I Of(x) =x-1/2 Of(x) = -21/2 Of(x) = -2-1/2 Of(x) = 2x-3/2

Answer Questions 1-19 ODD ONLY . For questions 1-6 and 13-19, draw and shade the distributions as well. Using and Interpreting Concepts Finding Probabilities In Exercises 13-20, find the indicated probabilities. If convenient, use technology to find the probabilities. 13. Heights of Men A survey was conducted to measure the height of U.S. men. In

Which of the following are trigonometric identities? Select all that apply. O A. sin 8 tan 8 = cos & O B. cos 8 = - sec 8 O C. sec 8 = csce O D. sin28- cos2 0 = 1 O E. 1+tan2 0 = sec2 8What is a simplified form of the expression sec* x - 1 ? sin x sec x O A. cot x O B. CSC X O C. tan x O D. sec x tan xWhich statements are true? Select all that

11 . The mean price of mid-sized cars in a region is $32,000. A test is conducted to see if the claim is true. State the Type I and Type II errors in complete sentences. 12 . A sleeping bag is tested to withstand temperatures of -15 F. You think the bag cannot stand temperatures that low. State the Type I and Type II errors in complete sentences.

6 Q06: Compute total Fare of all passengers by Roomclass using TDS_Sex_Pclass_Sorted Toomclass 1 18:77 4 25 2 3701. 8417 3 67:4.6951 ame. Face, dtype: float64

Assume that the random variable X is normally distributed, with mean u =45 and standard deviation = 10. Compute the probability P(56

1. This July, the US. House of Representatives voted to cut taxes for American citizens. A. How would you classify the record of the vote in the 435-member House; is it a descriptive statistical study or an inferential statistical study? (3 points) B. A poll asks 435 citizens whether they want the tax cut bill passed. Is this study descriptive or

Could you please help me find out the steps and the final answer? Thank you. Each time a player plays a certain card game, there is a probability of 0.15 that the game will work out successfully and there is a probability of 0.85 that the game will not work out successfully. The probability of success in any game is independent of the outcome of

Rewrite sin (x + 1la 6 in terms of sin a and cos . Enclose arguments of functions in parentheses. For example, sin (2x). sin (x + 6 Show your work and explain, in your own words, how you arrived at your answer. Answers with no relevant explanations may receive reduced or no credit. Equation Editor A - A- Ix BIUS X X Styles Font Size

Don't know how to solve Are freshmen psychology majors more likely to change their major before they graduate compared to freshmen business majors? 346 of the 661 freshmen psychology majors from a recent study changed their major before they graduated and 294 of the 607 freshmen business majors changed their major before they graduated. What can

3: :3 C) 54 min 31 secs Find the number of different ways to draw a 5-card hand from a standard deck (four suits with 13 cards each) of cards to have all three colors. f:'19968 f:'9984 f:'13728 i:'54912

Course: Statistics and Probabilities Following table shows a data set with information on 25 of "shadow" stocks monitored by American Association of Individual Investors. These are common stocks of small companies that are not closely watched by Wall Street analysts. FIRM Stock Exchange Short Name Market capacity (millions of $) Price / profit

1. Consider the following linear optimization problem mm x+y st $+y=L x30,y0 Does this problem have an optimal solution? Is this problem feasible? Explain your

In an agriculture experiment, we wish to determine the effects, if any, of sex difference varieties of wheat and four different fertilizers on the wheat. (1) What is the response variable? (2) What is the factor? (3) What is the experimental units

The following table provides a probability distribution for the random variable x. x f(x) 2 0.20 4 0.30 7 0.40 8 0.10 a) Compute Expected value E(x). b) Compute Variance ( 2 ) and Standard Deviation ()

At a water bottling facility, a technician is testing a bottle filling machine that is supposed to deliver 1,000 milliliters of water. The technician dispenses 42 samples of water and determines the volume of each sample. The 42 samples have a mean volume of x = 1.001.1 mL . The machine is out of calibration if the mean volume differs from 1,000

7.) A man is in a boat that is floating 175 feet from the base of a 8.) John wants to measure the height of a tree. He walks 200-foot cliff. What is the angle of depression between the cliff exactly 100 feet from the base of the tree and looks up. The and the boat? angle from the ground to the top of the tree is 33" . How tall is the tree? 9.) The

The administration team compiled test results for those who had been tested for strep throat in a random sample of 400 sick patients who had been tested. The following relative frequency table shows the data. Positive Negative Total Has the flu 54% 6% 60% Does not have the flu 8% 32% 40% Total 62% 38% 100% Based on the data, what is the ratio of

A real estate agent believes that the mean home price in the northern part of a county is higher than the mean price in the southern part of the county and would like to test the claim. A simple random sample of housing prices is taken from each region. The results are shown below. Southern Northern Mean 154.889 167.833 Variance 354.458 521.912

25) Mpg: Home Runs and Lively Baseballs Has the number of home runs hit by major league teams been changing over time? For the 41 years from 1960 to 2000, the average number of home runs hit per game per team for each season was computed in order to assess any change over time. Initially, simple linear regression was used to study the trend in

A multiple-choice test question has four possible responses. The question is designed to be very difficult, with none of the four responses being obviously wrong, yet with only one correct answer. It first occurs on an exam taken by 400 students. The designers test whether more people answer the question correctly than would be expected just due

Consider the following. a + W = s (a) Find y' by implicit differentiation. r y: (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. r y: (c) Check that your solutions to parts (a) and (b) are consistent by substituting the expression for y into your solution for part (a). r y: Need Help? [-/1 Points] DETAILS

A basketball player has probability 0. 80 of making any particular free throw (a standardized shot taken 15 feet from the basket) (a) For a season with 200 free throw attempts, use the mean and standard deviation of a binomial distribution to state an interval within which the player has probability about 0. 95 of making (i) that many free throws,

10.20 Blue jay morphology: Sex and size. The dataset in the le BlueJays includes Head (head length, in mm) and Mass (in gm) for a sample of blue jays. We want to study the relationship between sex (coded as M/F in the variable KnownSex and as 1 / 0 in the variable Sex) and these measurements. TI aIuJav a. Make parallel boxplots of Head by KnownSex

A friend is working as a data analyst for a politician, and is tasked with determining if voters in a specific county plan to vote for the candidate (Specifically if the proportion of voters who intend to vote for the candidate is more than half). Your friend is sadly a mathematician, not a statistician, so they spend some time on google and

14 12 10 Frequency ONDOO 2 3 4 5 6 7 8 9 Quiz Scores

14 12 10 Quiz Scores

What's the answer for question B Data were collected that included information on the weight of the trash (in pounds) on '6' the street one week and the number of people who live in the house. The gure shows a scatterplot with the regression line. Complete parts (a) through (d) below. L1: Click the icon to View the scatterplot and the regression

3. Use the tablular method for integration by parts to evaluate the following. J 20 sin(2t) at

As part of a survey, 14 adults were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below. Use the display to answer the questions that follow. Number of hours worked last week 3 1249 1 146779 5 036 Key: 219 means 29 hours. (a) What was the highest number of hours worked overall? (b)

6. (20 points) This question is about using the normal distribution as an approximation to the binomial distribution. When the number of trials is large, adding up many binomial probabilities can be cumbersome, and in some cases a normal distribution can provide a close fit to the binomial distribution. In class, we saw an example of an airline

dy Given y = f(u) and u = g(x) below, find =f'(g(x))g'(x). dx y = - 8 sinu, u= - 2x - 8 cos x dy = dx

A bag contains 6 red balls and 4 black balls. Two balls are drawn without replacement from the bag. What is the probability that both of the balls are black?

Hyperbolic Functions Instructions: In this discussion, find the derivative y'of the function and express your answer in simplest form . Show your solution completely with detailed explanation. Note: Can you please show the solution with a detailed explanation in every step until the answer pleaseee. Thank you so much * You can use this PDF to find

If g is continuous at a and f(x) = (x2 - a2)g(x), find equations of the tangent and normal lines at the point where x = a. (4 points)

Question 1 1 pts A team of civil and environmental engineers studied the ground motion characteristics of 15 earthquakes that occurred around the world since 1940. They measured the type of ground motion (short, long, or forward directive) and the magnitude of of the earthquake (on the Richter scale). Classify the two variables, type of ground

Watch help video Given the function f (a) - a3 - 6x2 + 9x, determine all intervals on which f is increasing

1+13 if r

Arilyze the functitn f (x) 1 2 11 if 4 if 4

A drug was administered on a set of 10 patients and their cholesterol values before and six months after administering the drug are shown below. Before After 148 125 142 116 154 130 159 128 157 127 163 134 165 135 158 126 150 125 145 118 Was the drug effective in significantly reducing cholesterol? Follow all the steps in hypothesis testing

According to QSR magazine, Chick-Fil-A has the best accuracy of drive thru orders with 96.4% of all its drive thru orders filled correctly. Jaylen Hotdogfingers, owner of Hot Dog Garage, thinks she has implemented a system that beats this accuracy rate. To test this, she conducts a random sample of 350 drive thru orders at Hot Dog Garage; 343 of

QUESTION 1 Monthly profit data for the on-campus Starbucks location at WTAMU for the year 2021 is an example of O a. forecasted data O b. cross-sectional data O c. discrete data O d. time-series dataQUESTION 25 To find out whether violent crime rates differ by region, a researcher has regressed the violent crime rate (measured in acts per 100 000

4. Thoughtful Politicians fl'his problem setting is due to Prof. James Norris of Cambridge University] In a group of 100 politicians, 40 are in Party I and 60 are in Party ||. Members of Party I are incapable of changing their minds about anything. Members of Party || change their minds completely randomly every day, independently of all others

QUIZ #2: 1.Compute the margin of error if the : Confidence Level = 98% s = 15 n = 21 (5pts.) 2. Compute the 95% confidence interval estimate of u given the following : x = 23.5 s = 12.5 n = 13 (10 pts.)

Why is it recommended to formulate a hypothesis so that it becomes the alternative (but not null) hypothesis? How can I explain it?

Short answers 8. A researcher want to compare marks from two units, ETF2121 and ETF2020. She selects 30 students who attended both ETF2121 and ETF2020 and obtains their marks for each. Let X1, s1, n and X2, $2, n2 denote the mean, standard deviation, and sample size of sample 1 (ETF2121) and sample 2 (ETF2020). She computes a statistic using the

Part C: Does the data show an association between the flight being on time and flying domestic? If so, is it positive or negative? Justify your answer mathematically (4 points) Q 1 5Source V C

Suppose that the weight of an newborn fawn is Uniformly distributed between 1.5 and 3.6 kg. Suppose that a newborn fawn is randomly selected. Round answers to 4 decimal places when possible. a. The mean of this distribution is D b. The standard deviation is I i c. The probability that fawn will weigh exactly 2.5 kg is P(x = 2.5) = i J d. The

At the beginning of a semester an anonymous survey was conducted on students in a statistics class. Two of the questions on the survey were about gender and whether or not students have equal, more, or less energy in the afternoon compared to the morning. Below are the results. What test should we perform to see if gender and energy level are

Step 8: Confidence Intervals for the Average Relative Skill of All Teams in Your Team's Years The management wants to you to calculate a 95% confidence interval for the average relative skill of all teams in 2013-2015. You will use the variable 'elo_n' to respresent the relative skill of the teams. To construct a confidence interval, you will need

I NEED HELP ASAP Question 21 (1 point) Listen An insurance company that offers multiple types of coverage wants to conduct a customer satisfaction survey. The coverages consist of auto, homeowner, rental, life, disability, and liability. If the company randomly selects two types of coverage and surveys every customer with those two coverage types,

Independent Samples 1' Test A teacher wants to know whether students learn more from lecture or discussion. Using her two classes, she creates two independent research groups: Group 1 receives only lecture- based instruction and Group 2 receives only discussionbased instruction. After the two classes take Exam 1. the teacher compares the groups'

1. [-/0.45 Points] DETAILS BBUNDERSTAT12 9.3.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. An archaeological study provides data relating x = body diameter in centimeters and y = height in centimeters of

Results of a 2017 survey of a sample of executives from 169 banks reveal insights on banking priorities among bank institutions in a certain region. As bank institutions begin planning for a new year, of utmost importance is boosting protability and identifying growth areas. Fifty-three percent of bank institutions note customer experience

Please answer in full detail, thank you!

4. Let f (a) Find horizontal and vertical asymptotes analytically.

9) Let f (x) = xV4 - x2. Use calculus and algebra to identify the absolute minimum of f on the interval [-2, -1]. Also identify where this absolute minimum is located. Show all work clearly and give exact values, not decimal approximations. [You can use Desmos to check your answers, but not as justification for your answers. Notice Desmos gives

A nurse researcher wants to describe the relationship between clients' age and their scores on a 20 item social support scale. Which of the following would the researcher use to present the results of the analysis graphically? Group of answer choices A scatter plot A crosstabs table A correlation matrix A histogram

Regression Line? What is the meant by the expression "a regression line"? Given a set of data how would you go about finding the regression line of a set of data?

Sav Salaries of 47 college graduates who took a statistics course in college have a mean, x, of $63,600. Assuming a standard deviation, o, of $17,938, construct a 95% confidence interval for estimating the population mean u. Click here to view a t distribution table. Click here to view page 1 of the standard normal distribution table Click here to

You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $3.19 a pound, which is cheaper than your usual neighborhood store, which sells it for $3.69 a pound. Is it worth the extra drive? First, determine what information you need to answer this question, then click here to display that

I would like some assistance with the following calculus 12. Find the stationary points and determine if each stationary point gives a local/global maximum or local/global minimum, neither, or "can't tell" (i) f(x,,x2,x,)=x+2.x}+x3+x,x2-2.x, -7.x,+12 (ii) f(x,,X2.x,)=2x, - x, +10x2 -x, + 3x, -x3 (iii) f(x,,X2,x;)=3-x -2x, - 3x3 -2x,X2 - 2.xx, (iv)

R O (1,0) (4,0) X The finite region R is bounded by the x-axis and the curve with equation y =27 - 2x - 9Vx - 16 x >0. The curve crosses the x-axis at the points (1, 0) and (4, 0). Evaluate lim Eyox showing each stage of your working. (7)

1) Evaluate the following limits: (2 points each) (a) lim sin 5x X (b) lim sin 5x x->oo X C lim 12x - 84 x-+7 x-72ax24bx+9; x>2 2) Given f(x)= 6ax+3bx+21; l$x$2 ux2 5bx+l7; x

1. (2 pts.) Find the average value of f (x) 4.T2 i 9x8 on the interval 1, 1.

m Southern New Hampshire University - 4-2 Module Four Problem Set O X G & https://snhu.mobius.cloud/modules/unproctoredTest.QuestionSheet ... Manga Manga2 " channel " Dashboard School Computer setup ui y 6 0 PaQ HubCAN DROP Usefull tips Other favorites Help | Zachary Bowen (zachary.bowen1@snhu.edu) | Logout mobius Gradebook External m /

The time to failure of a component of a mechanical ventilator in weeks has a distribution whose natural logarithm follows a gamma distribution with shape = 1.4 and = 0.2. a. Calculate the probability that the component fails within 25, 40, and 50 weeks. b. Calculate the median time to failure.

deviation of 2.24 minutes. If you were to take a random sample of 50 callers, you wo'uld expect 87% of the time the average hold time would be less than how many minutes? 0 1) 13.55 0 2) 16.43 0 3) 11.39 0 4) 14.27 '0 O 5) There is not enough information to determine this

Jump to level 1 A company is reviewing a batch of 27 products to determine if any are defective. On average, 3.8% of products are defective. Does this situation describe a binomial experiment, and why? Yes, because 3.8% is between 0 and 2 What is the probability that the company will find 2 or fewer defective products in this batch? 0.96 % What is