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Mathematics, 03.12.2021 17:10 k11kiki

A sample of 33 account balances of a credit company showed an average balance of $1,165 and a standard deviation of $129. You want to determine if the mean of all account balances is significantly greater than $1,150. Use a 0.05 level of significance. Assume the population of account balances is normally distributed. Compute the test statistic.

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