A random sample of n = 150 couples will be selected from this population and p̂, the proportion of couples that are mixed racially or ethnically, will be computed. If the mean is 0.07, what is the...

A random sample of
n
= 150 couples will be selected from this population and p̂, the proportion of couples that are mixed racially or ethnically, will be computed. If the mean is 0.07, what is the standard deviation of the sampling distribution of p̂?