The following table shows how many pies 44 baking teams made at a pie-baking competition. for example, team crusty baked 28 pies in 8 hours. team pies hours crusty 28 8 pie peace 27 6 fab bakers 20 4 yum 26 5 which team made pies at a rate of 44.5 per hour?

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