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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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