A manufacturer obtains clock-radios from three different subcontractors: 10% from A, 10% from B, and 80% from C.The defective rates for these subcontractors are 3%, 3%, and 4% respectively. If a defective clock-radio is returned bya customer, what is the probability that it came from subcontractor A? From B? From C?The probability that it came from subcontractor A is(Type a decimal. Round to three decimal places if needed.)The probability that it came from subcontractor B is(Type a decimal. Round to three decimal places if needed)The probability that it came from subcontractor C is(Type a decimal. Round to three decimal places if needed.)

Answered: los from three different…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A certain affects virus 0.7% of the population. A test used to detect the virus in a person is positive 89% of the time if the person has the virus (true positive) and 15% of the time if the person does not have the virus (false postive). Fill out the remainder of the following table and use it to answer the two questions below. Infected Not Infected Total Positive Test Negative Test Total 700 99,300 100,000 a) Find the probability that a person has the virus given that they have tested positive. Round your answer to the nearest tenth of a percent and do not include a percent sign.P(Infected | Positive Test)= %b) Find the probability that a person does not have the virus given that they test negative. Round your answer to the nearest tenth of a percent and do not include a percent sign.P(Not Infected | Negative Test) = %
An insurance company found that 2.4% of male drivers between the ages of 18 and 25 are involved in serious accidents annually. To simplify the analysis, assume that every such accident costs the insurance company $62,000 and that a driver can only have one of these accidents in a year. Complete parts (a) through (c). (a) If the company charges $2,600 for such coverage, what is the chance that it loses money on a single policy? P(loses money)= .024 (Type an integer or a decimal.) (b) Suppose that the company writes 1,000 such policies to a collection of drivers. What is the probability that the company makes a profit on these policies? Assume that the drivers don't run into each other and behave independently. P(profit) = .976 (Round to five decimal places as needed.)
United Airlines' flights from Denver to Dallas are on time 90 % of the time. Suppose 5 flights are randomly selected, and the number of on-time flights is recorded.Round answers to 4 decimal places.a. The probability that exactly 3 flights are on time is .b. The probability that at most 4 flights are on time is .c. The probability that at least 4 flights are on time is .
The following table describes the contents of a bag that contains red, green, blue, pink, and white marbles. Color Number of Marbles Red 23 Green 2 Blue 27 Pink 15 White 10 If you select a single marble out of the bag, what is the probability that it is a color other than white or blue? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
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?
At a used-book sale, 106 books are adult books and 150 are children's books. Of the adult books, 72 are nonfiction, while 65 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the books for the following. Round the answers to three decimal places. a. Fiction b. Not a children’s nonfiction book c. An adult book or a children’s nonfiction book
Suppose a math class contains 41 students. There are 18 females (three of whom speak Spanish) and 23 males (six of whom speak Spanish). Give all answers as decimals to at least two decimal places.1. What is the probability that a randomly selected student speaks Spanish, given that the student is female? 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? 4. If someone does not speak Spanish what is the probability they are female?
A researcher is selecting lab rats for her experiment. She assigns each rat a number and picks numbers out of a hat while blindfolded. The pool of rats from which she is drawing participants is composed of the following: 23 male albino rats 21 male spotted rats 35 female albino rats 11 female spotted rats If she reaches into the hat once, what is the probability of choosing a female rat or an albino rat? Give your answer as a decimal rounded to 4 decimal places.
Determine which of the following numbers could not represent the probability of an event. 440 35 1219 22 0,0.019, - 0.6, 40%, Select all that apply. OA. 0 B. 35 22 O C. 440 1219 O D. -0.6 E. 0.019 F. 40%
Question 26 Renee buys a bag of cookies that contains 5 chocolate chip cookies, 7 peanut butter cookies, 5 sugar cookies, and 5 oatmeal cookies. What is the probability that Renee reaches in the bag and randomly selects a chocolate chip cookie from the bag, eats it, then reaches back in the bag and randomly selects a sugar cookie? Round your answer to four decimal places.

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