As part of an annual review of its account, a discount brokerage selects a random sample of 26 customers. Their accounts are reviewed for total account valuation, which showed a mean of $32100,with a...


As part of an annual review of its account, a discount brokerage selects a random sample of 26 customers. Their accounts are reviewed for total account valuation, which showed a mean of $32100,with a sample standard deviation of $8550(use distribution table)


What is a 95% confidence interval for the mean account valution of the population of customers?



Jun 01, 2022
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