Theoretical and Experimental Probability Answers

Carla can choose two of her three pairs of sneakers to take to a track meet. If the pairs of sneakers are called A, B, and C, which choice represents the sample space, S, for the event?

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What subset, A, of the sample space represents the complement of the event in which Camille is the final swimmer?

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Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. What is the complement of Mariah choosing three mysteries?

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. Which of these statements are true? Check all that apply.There are 20C3 possible ways to choose three books to read.There are 5C3 possible ways to choose three mysteries to read.There are 15C3 possible ways to choose three books that are not all mysteries.The probability that Mariah will choose 3 mysteries can be expressed as [image 1] .The probability that Mariah will not choose all mysteries can be expressed as 1 − [image 2] .

A farmer has an orchard that covers an area of 40 acres. He grows apples on 25 acres, peaches on 7 acres, nectarines on 5 acres, and plums on 3 acres. The fruit trees are equally distributed within the orchard. A tree is chosen at random. Rounded to the nearest tenth of a percent, what is the theoretical probability that the tree is not within the acres of apple trees?

10 3,024✔ 5,040 10,000

336✔ 504 720 3,024

✔ 0.1 0.11 0.25 0.4

A bank estimates a 5% default rate on credit cards. In a sample of 200 customers, 8 defaulted. What does this suggest?