A student takes an exam containing 12 true or false questions. If a student randomly guesses...
A student takes an exam containing 12 true or false questions. If a student randomly guesses on the entire exam, what is the expected value of the number of incorrect answers? Do not round your answer.
Homework Answers
We have here, n=12 and p=1/2 = 0.5
p=probability of number of incorrect answers
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