A software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard deviation to be 1.5. He thinks the mean is 7 computer games per year. What is the minimum sample size required to ensure that the estimA software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard deviation to be 1.5. He thinks the mean is 7 computer games per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.11 at the 99% level of confidence? Round your answer up to the next integer. ate has an error of at most 0.11 at the 99% level of confidence? Round your answer up to the next integer.