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A software developer wants to know how many new computer games people buy each year. A...

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Statistics

A software developer wants to know how many new computer gamespeople buy each year. A sample of 164 people was taken to studytheir purchasing habits. Construct the 80% confidence interval forthe mean number of computer games purchased each year if the samplemean was found to be 7.8. Assume that the population standarddeviation is 1.5. Round your answers to one decimal place.

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