When using the normal approximation to the binomial, what is the standard deviation for a binomial probability distribution with p =.3 and n = 145?

When using the normal approximation to the binomial, what is the standard deviation for a binomial probability distribution with p =.3 and n = 145?


a. 43.5

b. 5.52

c. 11.5

d. 30.45


Answer: b. 5.52


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