A poll on a website asked respondents what they thought was the best method of losing weight. 65% picked exercise as the answer. If five randomly selected visitors to the website were asked this question, what is the probability that three of them would pick exercise? Are you sure? Think carefully.
Answer to relevant QuestionsWhich of the following is a binomial random variable? Which one(s) could possibly have a normal distribution? Explain your answers. a. The number of magazines subscribed to by a Canadian household. b. An opinion poll of ...The probability that a college student will cheat on his or her statistics assignment by copying the work of other students is 0.043. If a professor has 175 statistics students, what is the probability that at least one of ...The time that it takes an emergency car repair service to arrive at a car that has broken down is a normally distributed random variable, with a mean of 42 minutes and a standard deviation of 12 minutes. What is the ...The number of pages printed before the ink cartridge has to be replaced on an inkjet printer is normally distributed, with a mean of 840 pages and a standard deviation of 224 pages. A new print cartridge has just been ...A company is wondering if it should subsidize the tuition costs of employees who are furthering their education. The company feels that it could afford a subsidy program if 25% or fewer of its employees enrolled in programs ...
Post your question