Find the mean and standard deviation of sampling

Question Answered step-by-step Find the mean and standard deviation of sampling Find the mean and standard deviation of sampling Image transcription textOld A simple random sample of size n = 81 is obtained from a population with u = 71 and o = 27. (a) Describe the sampling distribution of x. (b) What is P (x > 75.2) ? (c) What is P (x 5 63.95) ? me (d) What is P (66.95