Mathematics, 07.04.2021 18:10 leopard7982
Assume that random guesses are made for eight multiple choice questions on an SAT test, so
that there are = 8 trials, each with probability of success (correct) given by = 0.20. Find the
indicated probability for the number of correct answers.
a). Find the probability that the number x of correct answers is exactly 7.
b). Find the probability that the number x of correct answers is at least 4.
c). Find the probability that the number x of correct answers is fewer than 3.
d). Find the probability of no correct answers.
e). Find the probability that at least one answer is correct.
Answers: 2
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Assume that random guesses are made for eight multiple choice questions on an SAT test, so
that the...
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