13. A company uses a 'selling aptitude test in the selection of salesmen. Pastéxperience has shown that only 70% of all persons applying for a sales position achieved aclassification "dissatisfactory" in actual selling, whereas the remainder were classified as"satisfactory", 85% had scored a passing grade on the aptitude test. Only 25% of thoseclassified unsatisfactory, had passed the test on the basis of this information. What is theprobability that a candidate would be a satisfactory salesman given that he passed theaptitude test?G a

Conditional Probability: Let A and B be two events with P(A) > 0. Then the conditional…

Answered: M3. A company uses a 'selling aptitude…

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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Similar questions

In a poll conducted by the General Social Survey, 70% of respondents said that their jobs were sometimes or always stressful. Twelve workers are chosen at random. Round the answers to at least four decimal places.What is the probability that more than 9 of them find their jobs stressful?
A recent survey of 1010 U.S. adults selected at random showed that 647 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.
please provide thorough explanation for each question and correct answers...........
Please answer and fully explain.
According to a study. 74.9% of college freshmen majoring in business said that "to get training for a specific career" was a very important reason for their going to college. Consider a group of nine freshman business majors selected at random. Find the probability that no more than two of the nine freshmen in the group felt that this reason was very important. The probability that no more than two of the nine felt this reason was important is (Round to four decimal places as needed.)
6.12, please
4. If a randomly chosen athlete tests negative, what’s the probability that the student took a banned substance? Explain why it makes sense for the drug-testing process to be designed so that this probability is less than the one you found in Question 3.5. The district decides to immediately retest any athlete who tests positive. Assume that the results of an athlete’s two tests are independent. Find the probability that a student who gets a positive result on both tests actually took a banned substance. Based on your answer, do you think that an athlete who tests positive twice should be suspended from athletic competition for a year? Why or why not?
The article “Unmarried Couples More Likely to Be Interracial” (San Luis Obispo Tribune, March 13, 2002) reported that 7% of married couples in the United States are mixed racially or ethnically. Consider the population consisting of all married couples in the United States. When the n = 200, what is the probability that the proportion of couples in the sample who are racially or ethinically mixed will be greated than .10?
A recent survey of 1050 U.S. adults selected at random showed that 647 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.

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