February 26, 2017

Homework Help: Probability

Posted by Student on Sunday, March 4, 2012 at 6:56pm.

Thank you for the explanation MathMate! Would the answer to this question be A?

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct?

A. 0.23
B. 0.34
C. 0.66
D. 0.78

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