Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n = 7 trials, each with probability of success (correct) given by p=0.45 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
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...
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Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n = 7 trials, each with probability of success (correct) given by p=0.45. 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 seven multiple choice questions on an SAT test, so that there are n = 7 trials, each with probability of success (correct) given by p=0.45. 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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