The average cost of an IRS Form 1040 tax ling at Thetis Tax Service is $157.00. Assuming

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The average cost of an IRS Form 1040 tax ling at Thetis Tax Service is $157.00. Assuming a normal distribution, if 70 percent of the lings cost less than $171.00, what is the standard deviation?

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Applied Statistics In Business And Economics

ISBN: 9780073521480

4th Edition

Authors: David Doane, Lori Seward

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Question Posted: Aug 19, 2015 04:33 AM

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The average cost of an IRS Form 1040 tax ling at Thetis Tax Service is $157.00. Assuming

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Given that P X 171 70 use z ...View the full answer

Applied Statistics In Business And Economics

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