BBUnderStat11 4.R.010. rvey of heads of households showed the percentage of thos

Question

BBUnderStat11 4.R.010. rvey 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, 22% had asked for a raise and 65% of the men who had asked for a raise received the rase 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)

Explanation / Answer

a) P(man asked for a raise) = 0.22

b) P(man received a raise | he asked for one) = 0.65

c) P(man asked for raise and received raise) = P(man received a raise | he asked for one) * P(man asked for a raise)

                                                                        = 0.65 * 0.22

                                                                        = 0.143

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