A software developer wants to know how many new computer games people buy each year. A sample of 425 people was taken to study their purchasing habits. Construct the 99% confidence interval for the mean number of computer games purchased each year if the sample mean was found to be 5.6. Assume that the population standard deviation is 1.1. Round your answers to one decimal place.

Question 5 options:

	Lower endpoint: 5.5, Upper endpoint: 5.7
	Lower endpoint: 5.7
	Upper endpoint: 5.9