Part VI: You must answer only 1 question ( 10 points) 15) A simple random sample of size n=77 is obtained from a population with a mean of 30 and a standard deviation of 4. Is the sampling distribution normally distributed? Why? a. Yes, the sampling distribution is normally distributed because the population is normally distributed. b. No, the sampling distribution is not normally distributed because the population is not normally distributed and sample size is less than 30. c. No, the sampling distribution is not normally distributed because the population mean is less than 30. d. Yes, the sampling distribution is normally distributed because the sample size is greater than 30. 16) Fill out the table below: Confidence Level Z score (Round to three decimal places) 90% 95% 99%