Mathematics, 14.05.2021 04:30 antoniocapetillo80
Johnni guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that she got exactly 3 questions correct? Round the answer to the nearest thousandth.
P (k successes) = Subscript n Baseline C Subscript k Baseline p Superscript k Baseline (1 minus p) Superscript n minus k. Subscript n Baseline C Subscript k Baseline = StartFraction n factorial Over (n minus k) factorial times k factorial EndFraction
0.004
0.208
0.422
0.792
Answers: 2
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Johnni guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. Wha...
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