Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p.
n equals 124n=124,
p equals 0.72
(i)
n = 124
p = 0.72
q = 1 - p = 0.28
Mean = np = 124 X 0.72 = 89.28
(ii)
Variance = npq = 124 X 0.72 X 0.28 = 24.9984
(iii)
Standard Deviation =
So,
Answers are:
Mean = np = 89.28
Variance = npq = 24.9984
Standard Deviation =
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