Does pay to ask for a raise? A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the men interviewed, 24% had asked for a raise and 65% of the men who had asked for a raise received the raise. If a man is selected at random from the survey population of men, find the following probabilities. (Enter your answers to three decimal places.) (a) P(man asked for a raise) (b) P(man received raise, given he asked for one) (c) P(man asked for raise and received raise)
Does pay to ask for a raise? A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the men interviewed, 24% had asked for a raise and 65% of the men who had asked for a raise received the raise. If a man is selected at random from the survey population of men, find the following probabilities. (Enter your answers to three decimal places.) (a) P(man asked for a raise) (b) P(man received raise, given he asked for one) (c) P(man asked for raise and received raise)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Step 1
(a)
From the given information, the men interviewed 24% had asked for a raise.
The probability of man asked for a raise is,
Thus, the probability of man asked for a raise is 0.24.
(b)
The probability of man received raise, given he asked for one is,
Thus, the probability of man received raise, given he asked for one is 0.65.
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