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Mathematics Questions and Answers September 19, 2021

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Give the probability that the spinner shown would land on (a) red, (b) yellow and (c) green \f
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A right triangle has side lengths 7, 24, and 25 as shown below. Use these lengths to find tan Y, cos Y, and sin Y. tan Y = 24 25 cos Y = X 5 ZO Y sin Y = 7
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The output below is the result of investigating the predictive relationship between freshman year science scores and senior year science scores. Researchers wanted to see if they can predict senior year science scores from each student's freshman year scores. Answer the following questions using the output below: What is the correlation
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c) Conduct a significance test to determine if men in the population have a higher plasma concentration of retinol on average. Use a two sided significance test. Verify that the 95% confidence interval for the difference in means is correct using the "Comparing Two Means" app, conduct a significance test to determine if males and females have the
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Since a binomial random variable counts the number of success in n trials of a binomial experiment, it cannot be classified by definition as a discrete random variable. True False

This part of the VITA/TCE certification test includes 13 true/false or multiple choice questions. Allow approximately 20 minutes to complete this segment. 38. Emily, an international student from Ireland, has a Form W-2 that shows amounts withheld for Social Security and Medicare taxes. Emily is an F-1 student who first arrived in the U.S. in

at a local school district, there are 23 science teachers. The district needs to select a group of 6 teachers to decide on next year textbook. How many different groups could be chosen. Question 10 3 pts At a local school district, there are 23 science teachers. The district needs to select a group of 6 teachers to decide on next year's textbook.
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Please help me to answer this. Problem No. 2 An electronics manufacturing company has three production plants, each of which produces three different models of a particular MP3 player. The daily capacities of the three plants are shown in the table. Basic Model Gold Model Platinum Model Plant 1 8 000 4 000 8 000 Plant 2 6 000 6 000 3 000 Plant 3
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suppose the probabilities have changed: Republican DemocratIndependent Female0.102 0.002 0.192 Male0.165 0.063 ? Compute the probability of the event Democrat, and enter your answer with 3 decimal places

A binomial experiment can result in only one of two outcomes. True False

1)The number of bottles of shampoo sold monthly by a certain discount drugstore is a normal random variable with mean 212 and standard deviation 40.Find the probability that next month's shampoo sales will be: a.)Greater than 200 b.)Less than 250 c.)Greater than 205 but less than 225 2)Scores on an examination for real estate brokers are normally

2 sample test, % of win at home is 66.67% and % of win away is 37.5%, Null hypothesis is that There is no home field advantage; the proportion of wins at home is equal to the proportion of wins away, Alternative hypothesis is here is a home field advantage; the proportion of wins at home is greater than the proportion of wins away

How many ways can 4 people sit in a row of 7 chairs? The number of ways 4 people can sit in a row of 7 chairs is ___.

Select the option that answers each question correctly. 1. Which of the following is singular? lpiz libros luces 2. How would you make the word opinin plural? drop the accent mark and add -s drop the accent mark and add -es

hw7 for tonight 1) factor x 2 + 15x +44 2) solve for x: x/3 + 1/4 = 5/6 3) multiply (x +4)(x-8) 4) divide (45x 23 -55x 10 -35x 3)/5x 5) solve and graph -5x -5 > 20
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A taco shop prices its meals at an average of $9 each. The cost of food products and serving materials is $2 per meal. Monthly costs for the taco shop are $6900. What is the contribution margin (in dollars)? What is the profit function (without units using x as the number of meals sold)? In order to make a profit of $1400, how many meals must be

Discrete Math What patterns do you notice in what kinds of recursive definitions give rise to what kinds of closed-form solutions? Think about when you see polynomial functions come up in closed-form solutions, when you see exponential functions come up in closed-form solutions, etc. Give some examples of recurrence relations where you'd have a

The expected value of a random variable X is the weighted average of the possible values it can assume, where the weights are the corresponding probabilities of each xi . True False

Display the maximum and minimum ratings for all reviewers N years old

What is the break-even period after I make a 10,000 claim for property damage without the insurance company suffering a loss? My premium is 600$ and my deductible is 1000$.

Consider these six values of a population: 13, 5, 6, 5, 6and 3. a. Determine the mean of the population. (Round the final answer to 1 decimal place.) Arithmetic mean= ? b. Determine the variance of the population. (Round the final answer to 2 decimal places.) Variance=?

The questions below require the use of linear programming (LP) to answer which is a mathematical technique for maximizing or minimizing a linear function of several variables, such as output or cost. X is the number of shares for a commodity stock that are purchased and Y is the number of shares of a bank stock that are purchased. The LP has

A raffle offers a first prize of $400 and 3 second prizes of $80 each. One ticket costs $3, and 500 tickets are sold. Find the expected payback for a person who buys 1 ticket. Is this a fairgame?

Given: In ABD, BC is the perpendicular bisector of AD. Which statement cannot always be proven? \fAC = DC O BC = CD O O ZACB = ZDCB O AABC = A DBC
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A bag has six Green marbles and three blue marbles you pick out a blue marble if you do not put the marble back what is the probability of now selecting a green marble

1) Given F(x. y) = xcosyte* *y . find OF and OF ax dy 2) Solve the first order separable equation dx dy_ x2 y= 0. 3) Given the first order linear equation dx dy +2yzer. a) Find the integrating factor. b) Solve the differential equation and give your solution in explicit form
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Results from previous studies showed 76% of all high school seniors from a certain city plan to attend college after graduation.A random sample of 200 high school seniors from this city reveals that 162 plan to attend college.Does this indicate that the percentage has increased from that of previous studies?Test at the 5% level of significance.

(Score for Question 2: _of 5 points) H (6x + 25) D (10x - 3) R In the image below, the m
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Find the present value of the future amount. Assume 365 days in a year. Round to the nearest cent. $800 for 334 days; money earns 7%

28. a) find the solution of the recurrence relation in part (a) with initial condition a1 = 4. b) Find the solution of the recurrence relation in part (a) with initial condition a 1 = 4. 30. a)find all solutions of the rescurrence relation an = -5an-1 - 6an-2 + 42 * 4n b) Find the solution of this recurrence relation with a 1 = 56 and a 2= 278. 28
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Which of the following best completes the proof showing that AWXZ ~ AXYZ? X 12 We 16 9 Since XZ _ WY, angles WZX and XZY are both right angles and congruent. The proportion Postulate. shows the corresponding sides are proportional, so the triangles are similar by the SAS Similarity O 16 9 12 12 16 12 12 9 12 16 12 9 12 16 16 9Are triangles DEF and
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Expandln(3y^2)completely.Keep variables in the order that given in the original term. I.e. Forlog(a/3b), present the answer aslog alog 3log b, but notlog 3log b+log a

Pls help question 10 \f
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question 12 For each function, state whether it is linear. Function 1 Function 2 ((5, -3), (6, -3), (7, -3), (8, -3)) ((-5, 5), (-4, 6), (-3, 7), (-2, 2) ) O Linear O Linear Not linear O Not linear Function 3 Function 4 X X Y 0 2 4 4 2 0 1 -2 4 1 0 6 4 5 2 O Linear O Linear Not linear Not linear
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5. The last three customers at a gas station had orders as shown in the table below. The man ahead of you spent $83.22 on his gas, how many litres did he buy? Amount (L) Cost ($) 45 51.30 64 72.96 102 116.28
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Problem 10 Below are the objective function values for an inductor design. It is desired to minimize both objectives. Use Kung's algorithm to identify the non-dominated individuals (by hand). Individual 1 2 3 4 5 6 Mass (kg) 5 3 1 4 2 4 Loss (kW) 2 3 6 5 4 1 Problem 11 Consider Problem 10. Compute the crowding distance of all non-dominated
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Using the output below (investigating the relationship between different exam scores), describe all 3 different pairs of relationships (reading-writing; reading-math; math-writing). For each, make sure to include the following information: Whether the relationship was significant. If it was significant, whether it was a positiveegative
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Write AB with A(9, 2) and B(1, 6) in component form. 8, 8 8, 8 8, 8 8, 8

Qu representa el diagrama de fases del hierro+carbono? Qu variables intervienen en dicho diagrama? Ojo: Desarrolla las preguntas, escribiendo en los recuadros vacos mostrados a continuacin. Si necesitas ampliar tu explicacin, en el Anexo 1 mostrado en la ltima pgina, puedes incorporar conceptos o marco terico, pero referido a la pregunta indicada

Write these sentences using saber : nosotros/ la agencia de viajes / el nombre Sarita / el precio / el bolso yo/ el nmero de telfono / la empresa l / la direccin / el garaje Ella / hablar/ espaol ustedes/ la fecha/ el da de Accin de Gracias

The altitude of a triangle is increasing at a rate of1 centimeters/minute while the area of the triangle is increasing at a rate of3.5 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is11.5centimeters and the area is 88 square centimeters? _________________cm/min

11.Determine which of the four levels of measurement (nominal, ordinal, interval and ratio)is most appropriate for the data below: The social security numbers of students in this class (a)Nominal(b) Ordinal(c) Interval(d) Ratio

_ 24. If a variable is interval-ratio in level of measurement, it cannot also be a. nominal. b. continuous. C. discrete. d. observable
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A} Create a histogram of the Age data for the Sale Representatives. Paste your graph below
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Hi, I need answer for the following question: 2 1 7 1 _ 5 0 2 2 6.LetA 7 2 _3 8 4 6 2 9 A) Compute det(A) by using row and column operations to simplify the determinant SHOW ALL YOUR STEPS! B) Express M3,2 and 03,2 (the minor and cofactor) you don't need to calculate them
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Subject : Differential Equation Topic : Application of laplace transform-spring/mass system What will be the illustration or the free body diagram of these two problems and explain it. Thank you Problem 1: Example 3: A spring is stretched 4in by a 2|b-weight. The 2lb-weight is started from the equilibrium point with a downward velocity of 12ft/s.
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The lifetime of a certain brand of television is approximately normally distributed, with a mean of 7.2 years and a standard deviation of 1.7 years. The 10% of televisions that have the longest lifetime, last at least how many year 1/ 9.376 years 7.37 years 5.024 years 7.03 years The time taken for students to travel from home to Griffith College
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Find the derivative of the function and then evaluate at the given point. y = 3x - 5x; ( - 1,8) f' (X) = 6x - 5 f'( - 1 ) = -11 (Type an integer or a simplified fraction.)This dy Find dx for the following function. x sin x 2+ cos x dy 2x cos (x) + cos (x) sin (x) + x + 2 sin (x) = dx (2 + cos (x))The function f in the figure satisfies lim f(x) =6.
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DOB: 8/12/1937(83yo) MRN: 13910280 Diagnosis: stroke left side Allergies: No known allergies Provider: Dr. Wood Weight: 141.2lbs Available drug details Drug: amoxicillin (Amoxil) 200mg/5ml oral sol Classification: antiulcer agent, antibiotic Systems: immunological Drug order to be given Amount to be administered Form Route Time amoxicillin

Find the error with subject-verb agreement. Select the incorrect verb and type it correctly. Fortunately neither the Westminster River nor Allenville Lake are connected to the toxic cleanup site by surface or underground waterways

A rocket is placed a known distance from a target, and travels towards to target at a constant velocity V. The rocket never loses sight of the target. Wind blows strictly upwards with a constant wind speed W. Using differential equations, model the trajectory that the rocket makes while traveling towards the target. (Assume rocket mass is
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11. Attach the data on weights of mosquito catching fish from online (unknownData.txt) and write it to a file named mosFish.txt, read the data back in as mosFish.data (2 pts). Use R to construct a boxplot of the data (2 pts), how many outliers are there? (1 pt) (Boxplot) Use R to construct a histogram, label your histogram x-axis, and provide an
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How can I find the limit by evaluating the derivative of a suitable function at an appropriate point. lim [(1 + h ) 8 1]/h h 0

16 (a) to (c ) Use the graph to evaluate the following expressions. (a) (fog)(1) (b) (g of)(0) (c) (g . g)(0) (a) Evaluate (f o g)(1). fick ) (f o g)(1) =Use the tables to evaluate the expressions. X 13 4 X 3 f(x g(x) 4 8 Find (g . f)(3). Select the correct choice below and fill in any answer boxes within your choice. O A. (go f)(3) = O B. The
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One study, based on responses from 1,025 randomly selected teenagers, concluded that 41% of teenagers cite grades as their greatest source of pressure. Test the claim that fewer than half of all teenagers in the population feel that grades are their greatest source of pressure using a 0.05 significance level.

Suppose the time interval between two consecutive defective light bulbs from a production line has a uniform distribution over an interval from 0 to 90 minutes. a) What is the probability that the time interval between two consecutive defective light bulbs will be exactly 10minutes? b) The probability is50% that the time interval between two

The Poisson distribution can be used to predict the probability of a certain number of visitors to the art gallery in a day, given the average rate of 50 visitors per day. Now, to explain how the Poisson distribution can approximate the binomial distribution. Based on previous data, the gallery would have 50 visitors a day. Should the gallery be

There were 20 balloons at the beginning of a party. By the end of the party, b of them had popped. Using b , write an expression for the number of balloons that were left.

Suppose the table below contains the probability of P(X = no. of tails) turning up after tossing a coin three times. X P(X) 0 0.125 1 0.375 2 0.375 3 0.125 The probability of getting 4 heads, P(X=4) is equal to a. 1.00 b. 0.500 c. 0.125 d. 0.00

all T-Mobile LTE 4:11 PM 1 59% mathxl.com C MAT-240-J6200 Applied Statistics 19EW6 Isabel Silva # | 7/10/19 4:11 PM Homework: 2-2 MyStatLab: Module Two Problem Set Save Score: 0 of 5 pts 4 of 15 (10 complete) HW Score: 23.59%, 15.33 of 65 pts X) 7.2.5-T Question Help Determine the area under the standard normal curve that lies to the left of (a)
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In Exercises 1-6, use the Regular Polygon Area formula to find the unknown length to the nearest unit or square unit. Recall that the symbol & is used for measurements or calculations that are approximations. Show all work! WTFSS 1. 4- 3. Pul # = 24 cm * = 107.5 cm : 30.6 em 24.9 cm " 19.$87.5 cm- 4 4940.5 cm" 4. Regular pentagon: a = 3 cm and = $
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Calculus I May I please have the solution for the following problem? Thank you so much. Ex 8. There are times when the table method fails; for instance fill the following table of values and make a conjecture about the lim cos () 1++0 y = cos y = cos 0.001 -0.001 0.0001 -0.0001 0.00001 -0.00001 0.000001 -0.000001 0.0000001 -0.0000001 . if n is
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The Venn diagram below shows the 8 students In Ms. Price's class. The diagram shows the memberships for the Dance Club and me Basketball Club. Note that I"Lisa" is outside the circles since she is not a member of either club. One student from the class is randomly selected. Let A denote the event "the student Is In the Dance Club." Let 3 denote
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Question 16 2 pts For a person living at a latitude of +37, the maximum altitude of the Sun above the southern horizon on the day of the Winter Solstice is: O 41.09
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Which is a counterexample of the following conditional? "If a number is divisible by five, then it is even." 30 25 20 O 18
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Question2: (a) Write the integral formula to find the area of shaded region in the figure. (b) Compute the area of the shaded region. Question 3
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Determine the elements of U(12). Calculate (a) for every a E U (12). Does U (12) = (a) for any a E U(12)? (Note: (a) = {a' : i EZ}.)
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Give (a) the first four terms of the sequence for which a is given and (b) the first four terms of the infinite series associated with the sequence. In an , n= 1, 2, 3,... (a) a1 = , a2 = ], a3 = ], a4 = (Type integers or simplified fractions.) (b) The first four terms of the infinite series associated with the given sequence are , and (Type
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In the figure, m is parallel to n and K The m m
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5. A firm a is monopolist producer of two goods G1 and G2. The prices are related to quantities Q1 and Q2 according to the demand equations (15 marks) P1=50 - 01 P2=95 - 3Q2 If the total cost function is TC = 07 + 30102 + 02 Show that the firm's profit function is 1=5001-207 + 9502 - 402 - 30102 Hence find the values of O, and Q2 which maximise

Calvin's productivity is always 200,000. Hobbes's productivity is high (300,000) with probability , and low (100,000) with probability . All human capital for both is purely general. You do not know until after the first period if Hobbes is high or low productivity. There are two periods, no discounting, and firms are risk neutral. a. Is Calvin or

Suppose f(x)=3 and g(x)=logx^2. If f(*g)(x)=logx^n what is the value of n

9. (12 points) For each of the following, mentally calculate the exact answer and write it in the blank. Use number sense. Use benchmark fractions where appropriate. Then write enough to make your thought process clear. a. 3458-1734-400 + 3734 = b. (34 x 12) + (34 x 8) = c. 12% of 120 = d. 0.75 x 36 =
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Following is a sample of the number of words spoken in each inauguration address for U.S. presidents What is the 32nd percentile? 1,125 2,978 1,172 1,507 4,776 3,801 2,015 2,463 4,388 135 3,967 1,592 1,437 3,217 1,340 2,308 1,681 2,546 2,158 2,170 5,433 1,729 698

I'm just a bit confused as to how to solve this. Suppose that Y1 and Y2 are discrete random variables with joint probability function k(y12+y22) y1=112; 3'2=O.1.2 19(3'1-3'2) = {0 elsewhere (a) Find the value of k. (b) Create a table that gives the values of p(y1, yz) for y1 = 1, 2 and y2 = 0, 1, 2. (c) Determine the marginal probability lnctions
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Write expressions for these word problems: d Jane had $d to buy three Beanie Babies. (in our problem, they all cost the same) If she W Chapter Refe were to buy all three, she'd spend all the money she had. Instead, she bought just one. How much money does she have left? You have 1 attempt left to earn the full credit for this problem. Answer:
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if the confidence interval is determined to be from 56% to 62% then the margin of error is: You have $2500 that you invest at 6% simple interest. what is the balance after 4 years? You have established an annuity plan that will accumulate to $50,000 in 10 years by investing $100 a month. If you instead invest $200 a month, what would your annuity

TO MANUFACTURE OR NOT TO MANUFACTURE -- WHICH LOCATION? Larry Ming has been hired to conduct a thorough analysis of Aurora, a midsize clothing company. For the past decade, Aurora has outsourced their manufacturing process to a contract manufacturer in Honduras. Given their global supply chain that Aurora has developed, they are considering if

60% of adults are saving for retirement. A retirement adviser is interested in conducting research on this topic. Find the probability that of the45 adults sampled, between30 and35 of them save for retirement

Problem 3: Let Q be a sample space, and P a probability on 9. Suppose that 31,32,33 are pairwise disjoint, have positive probability, and their union is Q. We let g I: 0' (Bl,Bz,B3) . For a xed set A C Q, suppose that we have ]P(A|g) = llBT Here, H32 denotes the indicator function of the set .32. (a). Show that the random variable Y := P (A | g)
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In a left-tail test, the z-test value is - 1.11, the p-value is _____________ Question 15 options: a) 0.8665 b) 0.1335 c) 0.2802 d) None of the options e) 0.1110

please show work and explain: The image ini(A) is a plane in R4 passing the origin. Find the distance from the vector 5 t0 the plane im(A). 1 _1 _4 1 0 -} 10 where A 1 1 and b 2 1 2 2
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English translation: This is annova test. The following tables are the results of a statistical test. However, it is stated that there are two changes. Another is a question where the question is how often or rarely does the respondent say they go to the Iceland camp. That question is on a 9-point scale, where 1 stands for seldom or never and 9
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Please provide a detailed answer to the following question. \f
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11) Given the linear equation 5x2y=10' 3) Convert the equation to slope-intercept form. State the slope of the line and the yintercept an ordered pair. 111 : y intercept : 1)) Use the slope and the yintercept to graph the line represented by the equation. Use the Graphing grid to present the graph and copy/paste using the screen grab the approach
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Please provide a detailed explanation. I want to understand this. No missing data A function f (.2) which we will call 21/3 has the following four properties: I) It agrees with the usual real 331/3 on the positive real axis. II) It is discontinuous on the negative imaginary axis (where the function is not dened). III) Everywhere except for the
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6. Among 66 patients who received DARZALEX FASPRO, 8 reported Bronchitis as an adverse reaction. Find the 90% confidence interval (CI) and margin of error (ME) for the population proportion. Interpret your results. (4 pts)
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1. Simplify each expression using the rules of exponents and give me an example of how to explain the steps you are taking. 2.Please give me an example of how to write each expression in the equivalent radical form and demonstrate how it can be simplified in that form, if possible. 3.Explain how which form works better for the simplification

A man is in the 25 % tax bracket and claims the standard deduction. How much will his tax bill be reduced if he qualifies for a $ 900 tax credit? His tax bill will be reduced by?

A geared DC motor has a built-in incremental encoder that is connected to the motor side. The encoder disk has 1250 lines, and the gear ratio is 9:1. Determine the angular resolution of this encoder, assuming that the encoder is operated in quadrature mode

content area top Part 1 Use the Select Power slider to graph the power function f(x)equalsx Superscript 2. Use the graph to answer parts 1 through 5 below. Use the interactive figure to find your answer. Use the left and right arrow keys to move along a slider as needed. Click here to launch the interactive figure.opens in a new tab Question

"Tom's SUV rolled over. SUVs are dangerous." This best illustrates which fallacy? Multiple Choice A. Unconscious bias B. Significance versus practical importance C. Post hoc reasoning D. Small sample generalization

A production supervisor at a major chemical company wishes to determine whether a new catalyst, catalyst XA-100, increases the mean hourly yield of a chemical process beyond the current mean hourly yield, which is known to be roughly equal to, but no more than, 750 pounds per hour. To test the new catalyst, five trial runs using catalyst XA-100

If the sales per day of a start-up company can be modeled using the function 3(d) = d3 + 7, what is the maximum number at sales per day on the intewal D a: d 5 3
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Below is the graph of y = x . Translate it to make it the graph of y = x + 1|+4. 4- 2- -6 4 - 2 (0, 0) 2 4 -2- -4- -6
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Please help walk me through the solution to this question with work shown. Thanks! If f ( ze ) = 1 3v then what is f'(4)? . If your answer is an integer, enter the value in the box. . If your answer is a non-integer fraction, enter the fraction in lowest terms in the form A/B in the box. . Answers may include values such as pi/3, e^3, or sqrt(2);
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A) Use the distance formula to find the distance between the two points. (-2, 18) and (4, 10) B) Identify the center and radius of the circle. ( x + 8)^2 + ( y - 9) ^2 = 121 C) Identify the center and radius of the circle. x^ 2+ 9 x + y^ 2- 3/2 y = 10 D) Use the equation of the parabola in standard formy=a(x-h)^2 + k to determine the coordinates

Which plan has the least amount of risk? Plan A Payout P(Payout) $ -25,000 0.15 $ 50, 000 0.57 $95,000 0.28 Plan B Payout P(Payout) $ -25,000 0.43 $ -15, 000 0.17 $40,000 0.4

Cul de los siguientes enunciados caracteriza la revisin de la norma ISO 9001:2008 en el ao 2008? Seleccione una: Incorporacin de vocabulario para el diseo y servicio de sistemas integrales de calidad Aclaraciones de los requisitos de existentes y cambios para facilitar la integracin con sistemas de gestin ambiental Aseguramiento para realizar

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