Confidence interval-acme lumber

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Reference no: EM13105900

ACME Lumber Company selects a random sample of 36 customers. Customers are rated on their annual spend at ACME Lumber Stores. During an account review, history showed a mean of $32,000, along with a standard deviation of $18,200.

What is the 90% Confidence Interval for the mean account valuation of the population of customers?

Reference no: EM13105900

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