Unit Test — Unit test

Question 1

The spinner is equally likely to land on any of the five sections.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/8f1bda7896799de1858972e80cd0c046.png

Question 2

three

Revolt · Accepted Answer

S = {1, 2, 3, 4, 5, 6}; If A is a subset of S, A could be {5, 6}.; If a subset A represents the complement of rolling a 5, then A = {1, 2, 3, 4, 6}.

Question 3

The manager of a grocery store reports that there is a 12 percent chance that a customer buys apples during a shopping trip, a 5 percent chance that a customer buy apples and carrots, and a 17 percent chance that a customer buys apples or carrots.What is the probability of a customer buying carrots?

Revolt · Accepted Answer

10.0 percent

Question 4

Ariana, Boris, Cecile, and Diego are students in the service club. Three of the four students will be chosen to attend a conference.Which choice represents the sample space, S, for this event?

Revolt · Accepted Answer

S = {ABC, ABD, ACD, BCD}

Question 5

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?

Revolt · Accepted Answer

86.7%

Question 6

Ryder shot a model rocket over an area that consists of two grassy areas, shown in green, and an area with no grass, shown in white.

Revolt · Accepted Answer

0.4

Question 7

The weather report states that the probability it will rain on Wednesday is 30 percent and the probability that it will rain on Saturday is 60 percent.What is the probability that it will rain on Wednesday and on Saturday?

Revolt · Accepted Answer

18 percent

Question 8

Nico owns 11 instructional piano books. Two are beginner books, six are intermediate books, and three are advanced books.If two books are randomly chosen from the collection, one at a time, and replaced after each pick, what is the probability that he first chooses an advanced book and then chooses a beginner book?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/20779ef51fd61470ed160e5e8a927cfb.png

Unit Test — Unit test Answers

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