40% of the officers at the certain industry own cars. Suppose six officers are selected at random from this industry (with replacement). (a) What is the probability that exactly four will own cars? (b) What is the probability that at least one will ow
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Past surveys show that 40% of the officers at the certain industry own cars. Suppose six officers are selected at random from this industry (with replacement).
(a) What is the
(b) What is the probability that at least one will own a car?
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- A survey of athletes at a high school is conducted, and the following facts are discovered: 15% of the athletes are football players, 80% are basketball players, and 6% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player? % (Please enter your answer as a percent) Submit QuestionA survey of athletes at a high school is conducted, and the following facts are discovered: 40% of the athletes are football players, 37% are basketball players, and 8% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player? % (Please enter your answer as a percent)6. A survey by Altgeld Travel Magazine found that 85% of airline passengers prefer to sleep during their flights. Ifwe randomly select 9 passengers, what is the probability that…. (a) Exactly 8 passengers prefer to sleep during their flights? (b) 8 or more passengers prefer to sleep during their flights?
- please answer all thanks !1 card is drawn at random from the pack of 52 cards.(i) Find the Probability that it is an honor card.(ii) It is a face card.Suppose approximately 75% of all marketing personnel are extroverts, whereas about 65% of all computer programmers are introverts. What is the probability that 2 or more are introverts? What is the probability that all are introverts?
- In a study by the Department of Transportation, there were a total of 89 drivers that were pulled over for speeding. Out of those 89 drivers, 36 were men who were ticketed, 15 were men who were not ticketed, 4 were women who were ticketed, and 34 were women who were not ticketed. Suppose one person was chosen at random.(a) What is the probability that the selected person is a man who was not ticketed? (b) What is the probability that the selected person is a man who was ticketed?A baseball player hit 72 home runs in a season. Of the 72 home runs, 25 went to right field, 24 went to right center field, 12 went to center field, 10 went to left center field, and 1 went to left field. (a) What is the probability that a randomly selected home run was hit to right field? (b) What is the probability that a randomly selected home run was hit to left field? (c) Was it unusual for this player to hit a home run to left field? Explain. (a) The probability that a randomly selected home run was hit to right field is (Round to three decimal places as needed.) (b) The probability that a randomly selected home run was hit to left field is (Round to three decimal places as needed.) (c) Was it unusual for this player to hit a home run to left field? O A. No, because the probability of an unusual event is 0. O B. Yes, because P(left field) < 0.05. OC. Yes, because P(left field) < 0.5. O D. No, because this player hit 1 home runs to left field.According to a survey, 25% of residents of a country 25 years old or older had earned at least a bachelor's degree. You are performing a study and would like at least 10 people in the study to have earned at least a bachelor's degree. (a) How many residents of the country 25 years old or older do you expect to randomly select? (b) How many residents of the country 25 years old or older do you have to randomly select to have a probability 0.96 that the sample contains at least 10 who have earned at least a bachelor's degree? (a) The number of randomly selected residents is 40. (Round up to the nearest integer.) (b) The number of randomly selected residents, with a probability 0.96 containing at least 10 who have earned at least a bachelor's degree, is . (Round up to the nearest integer.)
- Please answer the first questionIn a study by the Department of Transportation, there were a total of 89 drivers that were pulled over for speeding. Out of those 89 drivers, 39 were men who were ticketed, 15 were men who were not ticketed, 3 were women who were ticketed, and 32 were women who were not ticketed. Suppose one person was chosen at random. (a) What is the probability that the selected person is a man who was not ticketed? Answer: (b) What is the probability that the selected person is a woman or someone who was ticketed? Answer:Community colleges are studying the retention rate of first-year students. It was determined 20 percent of the first-year students don't return. The school contacts 12 students and they all agree to answer a survey given to them by the school. 1) What is the probability that exactly four students do not return after their first year? 2)What is the probability that 1-2 students don not return after the first year? 3) What is the probability that at least five or more students do not return after their first year?
