A national survey of heads of households showed the percentage of those who asked for a...

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 women interviewed, 26% had asked for a raise, and of those women who had asked for a raise, 45% received the raise. Suppose a woman is randomly selected, then:

(a) Find P (woman did not ask for a raise).
(b) Find P (woman asked for raise and received raise).
You are playing a game where you flip a coin, roll a six-sided die, and then draw a ball out of a bag. In the bag, there are 5 balls—3 red and 2 blue. You record your results.

(a) Make a tree diagram showing all the possible outcomes. (b) How many outcomes are possible?
(c) What is the probability of flipping a tail, rolling a 3, and drawing a blue ball?
(d) What is the probability of flipping a tail, rolling an even, and drawing a blue ball?

Solutions

Expert Solution

Ans (1) Let A and R denote the event that a randomly selected women asked for raise and received raise respectively

orchestra answered 1 year ago

Next > < Previous

Related Solutions

Does it pay to ask for a raise? A national survey of heads of households showed...

Does it 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 women interviewed, 26% had asked for a raise, and of those women who had asked for a raise, 45% received the raise. If a woman is selected at random from the survey population of women, find the following probabilities. (Enter your answers to...

In? 1997, a survey of 840 households showed that 147 of them use? e-mail. Use those...

In? 1997, a survey of 840 households showed that 147 of them use? e-mail. Use those sample results to test the claim that more than? 15% of households use? e-mail. Use a 0.05 significance level. Use this information to answer the following questions. a. Which of the following is the hypothesis test to be? conducted? b. What is the test? statistic? c. What is the? P-value? d. What is the? conclusion? There is not sufficient evidence to support the claim...

In 1997, a survey of 860 households showed that 161 of them use e-mail. Use those...

In 1997, a survey of 860 households showed that 161 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. What is the P-Value?

In 1997, a survey of 840 households showed that 131of them use e-mail. Use those sample...

In 1997, a survey of 840 households showed that 131of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions.

In an effort to estimate the percentage of households that watch movies online, a survey was...

In an effort to estimate the percentage of households that watch movies online, a survey was conducted this year. The responses showed that 250 households out of 1000 watch movies online, and the interval estimate at 98% was [.20,.30]. If the analyst had used a larger sample size and the same level of confidence, which of the following should have been the new interval? (assume none of the samples were biased) Question options: [.18,.32] [.22,.28] [.10,.20] [.30,.40]

(2) A survey of households in a small town showed that in 500 of 2,000 sampled...

(2) A survey of households in a small town showed that in 500 of 2,000 sampled households, at least one member attended a town meeting during the year. What is the 95% confidence interval for the proportion of households represented at a town meeting?

A MSCI survey showed that there continues to be a slow increase in the overall percentage...

A MSCI survey showed that there continues to be a slow increase in the overall percentage of women on boards of directors globally. The study reported that 7 of 22 (32%) Austrian companies sampled, 86 of 103 (83%) French companies sampled, 40 of 92 (43%) German companies sampled, 5 of 31 (16%) Irish companies sampled, and 37 of 55 (67%) Italian companies sampled have at least three female directors on their boards. Develop and populate a frequency and percentage table...

A recent survey of 200 households in the United States showed that 8 had a single...

A recent survey of 200 households in the United States showed that 8 had a single male as the head of household. A survey of 150 households in Canada showed that 5 had a single male as the head of household. At α =.05, can it be concluded that the proportion in the two countries is different?

A) In 1997, a survey of 820 households showed that 137 of them use e-mail. Use...

A) In 1997, a survey of 820 households showed that 137 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions. What is the P-value? B) In a study of 420,149 cell phone users, 115 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected...

In a recent survey of 4276 randomly selected households showed that 3549 of them had telephones....

In a recent survey of 4276 randomly selected households showed that 3549 of them had telephones. Using these results, construct a 99% confidence interval estimate of the true proportion of households with telephones. Use the PANIC acronym

Subjects