Question

In a large population, 67% of the households have cable tv. A simple random sample of 81 households is to be contacted and the sample proportion computed. What is the mean and standard deviation of the sampling distribution of the sample proportions? a) mean = 0.67, standard deviation = 0.9922 b) mean = 54.27, standard deviation = 0.0027 c) mean = 54.27, standard deviation = 0.0522 d) mean = 0.67, standard deviation = 0.0522 e) mean = 0.67, standard deviation = 0.0027 f) None of the above

Answer 1