# 1 a & b on Page 305 Consider a finite population with five elements labeled A, B, C, D, & E. Ten possible simple random samples of 2 can be selected. a). List the 10 samples b). Using the simple random sample method, what is the probability that each sample of size 2 will be selected? # 11 on page 308 The following data are from a simple random sample. 5 8 10 7 10 14 a). What is the point estimate of the population mean? b). What is the point estimate of the population standard deviation? II. Chap. 8 #1 on page 348 A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is ___________ = 5. a). What is the standard error of the mean, __________? b). At 95% confidence, what is the margin of error? #3 on page 349 A simple random sample of 60 items resulted in a sample mean of 80. The population standard deviation is _________ = 15. a). Compute the 95% confidence interval for the population mean. b). Assume that the sample mean was obtained from a sample of 120 items. Provide a 95% confidence interval for the population mean. c). What is the effect of a larger sample size on the interval estimate