Survey ResultsMaleFemaleTotalContribute111143254PrintDo not contribute139107246DoneTotal250250500TX The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 wereasked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below.Click the icon to view the survey results.(a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given thatthe worker is male.The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the workeris male, is 0.444.(Round to three decimal places as needed.)(b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirementsavings plan at work.The probability that a randomly selected worker is female, given that the worker contributes to a retirement savingsplan at work, is(Round to three decimal places as needed.)

Answered: The accompanying table shows the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An insurance company has written 50 policies for $125,000, 100 policies for $30,000, and 250 policies for $10,000 for people of age 20. If experience shows that the probability that a person will die at age 20 is 0.0012, how much can the company expect to pay out during the year the policies were written?
A certain student is equally likely to choose to major in medicine, engineering or accounting in college. What is the probability that the student will choose to major in: note : Answers should be in either decimal (4 decimal places), fraction (lowest terms) or percent (rounded to 2 decimal places) form. 1. medicine? 2. accounting? 3. engineering or medicine?
A recent survey by a market research company found that 56% of all US households have internet access. Answer the following as decimals rounded to three places. a. If five households are chosen at random, what is the probability that all five have internet access? Preview b. What is the probability that none of the five have internet access? Preview c. If five households are chosen, what is the probability that at least one household has internet access? Preview
In a review class of 80 students, 70 passed the board exam. If a student is selected at random, what is the probability that he passed?
The table below shows the results of a survey that asked 2853 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts (a) through (d). ET TIE Frequently Occasionally Not at all Total Male 223 453 793 1469 Female 205 430 749 1384 Total 428 883 1542 2853 (..... (a) Find the probability that the person is frequently or occasionally involved in charity work. P(being frequently involved or being occasionally involved) = (Round to the nearest thousandth as needed.)
Suppose the probability of an IRS audit is 4.0 percent for U.S. taxpayers who file form 1040 and who earned $100,000 or more. ( (b) What are the odds against such a taxpayer being audited? (Round your answers to the nearest whole number.)
The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work, is (Round to three decimal places as needed.)
The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. EE Click the icon to view the data on business degrees. (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected student received a business degree, given that the student is female. The probability that a randomly selected student received a business degree, given that the student is female, is (Round to three decimal places as needed.)
Submit your answer as an exact fraction or a decimal rounded to the hundredths place. Cupcakes are being randomly passed out to every student in the class. The assortment of cupcakes is described in the table below. What is the probability of receiving a cupcake that is not vanilla flavored? Cupcake flavor Number of cupcakes Vanilla 7 Mint chocolate 3 Red velvet 4 Carrot Cake 6
The following is a table showing the results of a poll taken on campus. Will You Vote in the Upcoming Election? Male Female Yes 24 22 No 20 30 Not decided 28 38 What is the probability that a randomly selected student from this poll has decided to vote in the upcoming election? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
Suppose that 51% of the people who inquire about investments at a certain brokerage firm end up investing in stocks, 41% end up investing in bonds, and 61% end up investing in stocks or bonds (or both). What is the probability that a person who inquires about investments at this firm will invest in both stocks and bonds? Write your answer as a decimal (not as a percentage).
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