Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are n=9 trials, each with probability of success (correct) given by p 0.6. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4. P(X < 4) = (Round to four decimal places as needed.)

Question
Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are n=9 trials, each with probability of success (correct)
given by p 0.6. Find the indicated probability for the number of correct answers.
Find the probability that the number x of correct answers is fewer than 4.
P(X < 4) =
(Round to four decimal places as needed.)
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Transcribed Image Text

Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are n=9 trials, each with probability of success (correct) given by p 0.6. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4. P(X < 4) = (Round to four decimal places as needed.)