Question 759357
a student takes a 15 question multiple choice exam with two choices for each question and quesses on each question. assume the variable is binomial. round the intermediate and final answers to three decimal places. find the probability of guessing 11 out of 15 correctly.
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Binomial Problem with n = 15 and P(correct) = 1/2
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P(x = 11) = 15C11(1/2)^15 = 0.0417
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Cheers,
Stan H.
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