SOLUTION: 1. A student randomly answers the 7 questions on a multiple choice test. Each question has 4 possible answers, only one of which is correct. Would it be unlikely for the s

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Question 1074170: 1. A student randomly answers the 7 questions on a multiple choice test.
Each question has 4 possible answers, only one of which is correct.
Would it be unlikely for the student to get all of the questions wrong?



Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
The probability of getting a question wrong is 3/4.
So the probability of getting 7 questions wrong is (3/4)7.
That's 2187/16384 = 0.1334838867 or about 13.3% of the time.

Edwin