Question
Assume that random guesses are made for seven multiple choice questions on an SATtest, so that there are n=7 trials, each with probability of success(correct)
Assume that random guesses are made for seven multiple choice questions on an SATtest, 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 asneeded.)
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Understanding Analysis
Authors: Stephen Abbott
2nd Edition
1493927124, 9781493927128
