Probability Questions & Answers

Probability Questions & Answers A soap factory randomly inspects 100 bars of soap to better identify problems that occur during the manufacturing process. The table below displays the possible problems and frequency for each. - ANSWER: They would expect 150 bars to be broken. Before a chair manufacturer sells its beanbag chairs, they spot check a random sample of chairs on the production line. The table below shows the number of common problems found during one such spot check. - ANSWER: They would expect 75 chairs to be understuffed. During an experiment, a spinner landed on green 9 times, which resulted in an experimental probability of . Mary said that there must have been 45 trials in the experiment. Why is Mary incorrect? - ANSWER: If there were 9 occurrences and 45 trials, the simplified experimental probability would be , not . During an experiment, a spinner landed on red 6 times. If the resulting experimental probability of the spinner landing on red is , how many trials were performed? - ANSWER: 48 Jason practiced making soccer goals and kept track of the results. He missed 3 goals but made 9 in one practice session.