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Take a guess: A student takes a multiple-choice test that has 7 questions. Each question has four choices. The student guesses randomly at each answer.
Take a guess:A student takes a multiple-choice test that has
7
questions. Each question has four choices. The student guesses randomly at each answer. Let
X
be the number of questions answered correctly. Round the answers to at least four decimal places.
Part:0 / 2
0 of 2 Parts Complete
Part 1 of 2
(a) P4 = |
Part:1 / 2
1 of 2 Parts Complete
Part 2 of 2
(b) PMorethan2 = |
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