Suppose That the Proportion of All American Adults That Fit

Multiple Choice

Suppose that the proportion of all American adults that fit the medical definition of being obese is 0.23. A large medical clinic would like to determine if the proportion of their patients that are obese is higher than that of all American adults. The clinic takes a simple random sample of 30 of their patients and finds that 9 patients in the sample are obese.
-If the clinic had collected a sample of 100 patients instead of 30, would the standard deviation of the simulated null distribution increase, decrease, or remain the same?

A) Increase
B) Decrease
C) Remain the same