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August 31, 2015

Homework Help: Statistics

Posted by Sue on Sunday, March 3, 2013 at 7:22pm.

A multiple choice test has five choices. Therefore the probability of getting the correct answer by guessing is 0.2. The test has six questions. Use the binomial formula with n = 6 and p = 0.2 to (a) Determine probability of getting two questions correct.
(b)Determine probability of getting between one and four (inclusive) correct

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