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Mathematics, 13.07.2019 18:10 cfnewton09
Major department store chain is interested in estimating the average ar customers spent on their first visit to the chain's new store in the 2. a mount its credit card mall. fifteen credit card accounts were randomly sampled and analyzed with the following results: x $50.50 and construct a 95% confidence interval for the average amount its credit card customers spent on their first normal distribution. visit to the chain's new store in the mall assuming that the amount spent follows a
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