Mathematics, 03.05.2021 17:10, miathegeek97

Dell wants to know how often consumers buy a new laptop. The data team suggested that the average purchase interval of the target population is 3 years. Dell wants to test if this is true. Dell took a random sample of 200 consumers in the market and found that individuals purchase a new laptop on average every 2.95 years and the sample standard deviation is 0.6. Is this sample mean, correct

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Dell wants to know how often consumers buy a new laptop. The data team suggested that the average pu...