A history professor decides to give a 20-question true-false quiz. She wants to choose the passing grade such that the

Question

A history professor decides to give a 20-question true-false quiz. She wants to choose the passing grade such that the probability of passing a student who guesses on
every question is less than 0.10. What score should be set as the lowest passing grade?
15
14
12
13

Kunduz · Accepted Answer

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