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Mathematics, 13.10.2019 04:30 ashley6752

The a. p. statistics exam consists of a multiple-choice section in which each question has five choices. sara estimates that she has a 75% chance of knowing each question. if she does not know the answer, she will randomly guess.

a) what is the probability of sara getting a question correct?
b) the a. p. exam has 40 questions, how many might sara expect to get correct?

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