College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN: 9781305652231
Author: R. David Gustafson, Jeff Hughes
Publisher: Cengage Learning
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Question
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=0.3.
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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