Mathematics, 21.10.2020 16:01 reesewaggoner8

Assume that you are taking a multiple choice test that you have not studied for! The test only has 10 questions and each question has four possible answers. You plan to randomly guess on all 10 questions and the probability you get one correct is the same for all questions. Even though no studying took place, you really want a B. This means you would like to get 8 questions correct. How many combinations exist that yield 8 correct questions

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