A test has 5 multiple-choice questions. Each question has 4 answer options (A, B, C, D).What is the probability that a student will choose "B" for at least three questions if he/she leaves no questions blank?

A test has 5 multiple-choice questions. Each question has 4 answer opt

1.	A test has 5 multiple-choice questions. Each question has 4 answer options (A, B, C, D).What is the probability that a student will choose "B" for at least three questions if he/she leaves no questions blank?
A.	1/1024
B.	1/64
C.	53/512
D.	29/128
Answer» D. 29/128

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A test has 5 multiple-choice questions. Each question has 4 answer options (A, B, C, D).What is the probability that a student will choose "B" for at least three questions if he/she leaves no questions blank?

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