Intro to Probability Questions & Answers

Intro to Probability Questions & Answers A bag contains eleven equally sized marbles, which are numbered. What is the probability that a marble chosen at random is shaded or is labeled with a multiple of 3? - ANSWER: 6/11 A bicycle manufacturer is studying the reliability of one of its models. The study finds that the probability of a brake defect is 4 percent and the probability of both a brake defect and a chain defect is 1 percent. If the probability of a defect with the brakes or the chain is 6 percent, what is the probability of a chain defect? - ANSWER: 3% A coach chooses six out of eight players to go to a skills workshop. If order does not matter, in how many ways can he choose the players for the workshop? - ANSWER: 28 A farmer grows vegetables on seven acres, fruit on six acres, and flowers on two acres. Out in his fields, he finds a ladybug. To the nearest tenth of a percent, what is the theoretical probability that the ladybug was not found within the acres of flowers? - ANSWER: 86.7% A number cube has faces numbered 1 to 6. What is true about rolling the number cube one time? Check all that apply..................................................