Members of the lake shawnee club pay $40 per summer season plus $7.50 each time they rent a boat. non members pay $12.50 each time they rent a boat. how many times would both a member and a nonmember have to rent a boat in order to pay the same amount?

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean