SOLUTION: Eric guesses at all 10 true/false questions on the multiple choice section in his recent math test. Find the probability of getting at least half correct.

Question 618427: Eric guesses at all 10 true/false questions on the multiple choice section in his recent math test. Find the probability of getting at least half correct.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Eric guesses at all 10 true/false questions on the multiple choice section in his recent math test.

probability of correct = .5

using the Bionomial Calculator at stattrek.com

P( x ≥ 5 ) = .6230 

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