Question: A software developer wants to know how many new computer games people buy each year. Assume a previous study found the variance to be 1.44.

A software developer wants to know how many new computer games people buy each year. Assume a previous study found the variance to be 1.44. She thinks the mean is 6 computer games per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.15 at the 99% level of confidence? Round your answer up to the next integer.

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