Binomial random variable
Assume x is a binomial random variable with n=100 and p=0.6. The mean, variance, and standard deviation of x are respectively:
A: 60, 24 and 5
B: 60, 10 and 5
C: 40, 24, and 4.9
D: 60, 24, and 4.89
E: 50, 25, and 5
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