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You are taking a multiple choice quiz that consists of five questions. Each question has four possible answers, only one which is correct. To complete the quiz, you randomly guess the answer to each questions. To three significant digits, find the probability of guessing:
A sergical technique is performed on seven patients. You are told there is a 70% chance of success. To three significant digits, find the probability that the surgery is successful for:
Fifty-nine percent of men concider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a professional baseball fan. To three significant digits, find the probability that the number who consider themselves baseball fans is:
Ten percent of adults say oatmeal raisen is their favorite cookie. You randomly select 12 adults and ask each to name his or her favorite cookie. To three significant digits, find the probability that the number who say oatmeal raisen is their favorite cookie is:
Twenty-one percent of vacationers say the primary purpose of their vacation is outdoor recreation. You randomly select 10 vacationers and ask each to name the primary purpose of his or her vacation. To three significant digits, find the probability that the number who say outdoor recreation is the primary purpose of their vacation is:
Seventy percent of married couples paid for their honeymoon themselves. You randomly select 20 married couples and ask each if they paid for their honeymoon themselves. To three significant digits, find the probability that the number of couples who say they paid for their honeymoon themselves is:
Fifty-five percent of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name his or her favorite nut. To three significant digits, find the probability that the number who say cashews are their favorite nut is:
Fourteen percent of workers believe they will need less than $250,000 when they retire. You randomly select 10 workers and ask each how much money he or she thinks they will need for retirement. To three significant digits, find the probability that the number of workers who say they will need less than $250,000 when they retire is:
Twenty-eight percent of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. To three significant digits, find the probability that the number of college students who say they use credit cards because of the rewards program is:
Twenty-four percent of executives say that older workers have blocked their career advancement. You randomly select 12 executives and ask if they feel that older workers have blocked their career advancement. To three significant figures, find the probability that the number who say older workers have blocked their career advancement is:
Thirty-seven percent of women consider themselves fans of professional baseball. You randomly select six women and ask each if she considers herself a fan of professional baseball.
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On in four adults say he or she has no trouble sleeping at night. You randomly select five adults and ask each if he or she has no trouble sleeping at night.
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Five percent of people in the United states eligible to donate blood actually do. You randomly select four eligible blood donors and ask if they donate blood.
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Thirty-eight percent of the people in the United States have type O+ blood. You randomly select five Americans and ask them if their blood type is O+.
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The graph shows the results of a survey of drivers who were asked to name the most annoying habit of other drivers. You randomly select six people who participated in the survey and ask each one of them to name the most anoying habit of other drivers. Let x represent the number of drivers who named talking on cell phone as the most annoying habit.
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The graph shows the results of a survey of small-business owners who were asked which business skills they would like to develop further. You randomly select five owners who participated in the survey and asked each one of them which business skills he or she wants to develop further. Let x represent the number who said financial management was the skill they wanted to develop further.
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