SOLUTION: If X is a binomial random variable with n = 20, and p = 0.30, then P(X = 10) = 0.50 True or false

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Question 849748: If X is a binomial random variable with n = 20, and p = 0.30, then P(X = 10) = 0.50
True or false
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If X is a binomial random variable with n = 20,
and p = 0.30, then P(X = 10) = ?
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P(x = 10) = 20C10(0.3)^10*(0.7)^10 = binompdf(20,0.3,10) = 0.0308
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Cheers,
Stan H.