SOLUTION: A multiple-choice quiz has 5 questions each with four (4) choices. You have no idea what the correct answer is to any question so you decide to guess each answer. The probability o

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Question 929491: A multiple-choice quiz has 5 questions each with four (4) choices. You have no idea what the correct answer is to any question so you decide to guess each answer. The probability of answering at least one question correctly is





A 0.24

B 0.25

C 0.5

D 0.76

E 0.06

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(correct) = .25,, n = 5
P(x ≥ 1) = 1 - P(0) = 1 - binompdf(5, .25, 0) = 1-.2373 = .7627 0r 76.27%
D.