Question

Score: 0 of 1 pt Seve 7 of 23 (23 complete) HW Score: 89 28%, 20 53 of 23 pts X 7.3.35 Question Help The random sample shown below was selected from a normal distribution 4.7, 8, 10,5,20 plete parts a and b. struct a 99% confidence interval for the population mean. 1.23. 10.77) (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviations remain exactly the same as those you just calculated but that are based on a sample of n 25 observations Repeat part What is the effect of increasing the sample size on the width of the confidence intervals? The confidence interval is (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer Check Answer Clear All part remaining NEXT PREVIOUS