Question 852617
A die (20 sided with numbers 1-20) is rolled 650 times. Find the standard deviation for the number of "11"s that will be rolled.
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P(x = 11) = 1/20
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n = 650
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q = 19/20
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std = sqrt[npq] = sqrt[650(1/20)(19/20)] = (1/20)sqrt(650*19) = 5.557..
Cheers,
Stan H.
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