Mathematics, 18.12.2019 19:31 kennedy5550

Amultiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. if judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer
a) exactly 3 questions correctly?
b) all the questions incorrectly?
c) at least 5 questions correct?
d) at most 4 questions incorrect?

Answers: 2

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