Assume that random guesses are made for six multiple choice questions on an SAT test, so that there are n = 6 trials, each with probability of success (correct) given by p=0.25. 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.)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Assume that random guesses are made for six multiple choice questions on an SAT​ test, so that there are n=6 trials, each with probability of success​ (correct) given by p=0.25. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.

Assume that random guesses are made for six multiple choice questions on an SAT test, so that there are
n = 6 trials, each with probability of success (correct) given by p=0.25. 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.)
Transcribed Image Text:Assume that random guesses are made for six multiple choice questions on an SAT test, so that there are n = 6 trials, each with probability of success (correct) given by p=0.25. 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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