It Is Reported That 23% of the Home Mortgages in Cowlitz

Multiple Choice

It is reported that 23% of the home mortgages in Cowlitz County are "underwater".For 50 randomly selected home mortgages, compute the standard deviation of the random variable "number of underwater home mortgages" in the sample of 50.Assume all the binomial conditions are met.

A) 3.66
B) 4.38
C) 1.33
D) 2.98
E) 1.80