Describe the sampling distribution of p. Assume the size of the population is 20,000. n = 500. p = 0.2 Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Approximately normal because n $ 0.05N and np(1 - p) 10. Determine the mean of the sampling distribution of p. HA = (Round to one decimal place as needed.) P Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.)