(Solved) Statistics for Business II Question

jgosset2

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6 years ago

As part of an annual review of its accounts, a discount brokerage selects a random sample of 36 customers. Their accounts are reviewed for total account valuation, which showed a mean of $32,000, with a sample standard deviation of $8,200.

What is a 90% confidence interval for the mean account valuation of the population of customers? (Round your answers to the nearest dollar amount.)

90% confidence interval for the mean account valuation is between $____ and $____

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psyche360

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6 years ago

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bio_man

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6 years ago

Hi there! Okay to mark this solved?

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jgosset2 Author

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6 years ago Edited: 6 years ago, jgosset2

Let me go back and check. Can't remember if this was correct or not, since one out of the two I posted last week got an incorrect response.

Post Merge: 6 years ago

Yes it was correct! (:

Post Merge: 6 years ago

Thank you!

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