(See Solution) A personnel officer for a firm that employs many part time salespeople tries out a sales aptitude test on several hundred applicants: 40% of applicants
Question: A personnel officer for a firm that employs many part time salespeople tries out a sales aptitude test on several hundred applicants: 40% of applicants show high aptitude on the test and 12% of those hired both show high aptitude and achieve good sales records. The firm’s experience shows that 30% of all salespeople achieve good sales. Let A be the event "shows high aptitude" and let B be the event "achieves good sales".
What is P(B c |A)?
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Hypothesis Testing: Testing for a Population Variance - MathCracker.com