Mathematics, 03.12.2021 19:30 Onlyoneeniyaaa

statistics firm obtains a list of all cars in the U. S. that are registered with state DMV offices and randomly selects 81 cars from the list. For this sample, the average weight is found to be 2919 pounds with a standard deviation of 540 pounds. Calculate the 90% confidence interval for the parameter of interest and interpret it.

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statistics firm obtains a list of all cars in the U. S. that are registered with state DMV offices a...