Thirty-year fixed mortgage rates in April 2007 seemed normally distributed with mean 6.17%. The standard deviation is

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Thirty-year fixed mortgage rates in April 2007 seemed normally distributed with mean 6.17%. The standard deviation is believed to be 0.25%. Find a bound such that the probability that the actual rate obtained will be this number or below it is 90%.

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Complete Business Statistics

ISBN: 9780077239695

7th Edition

Authors: Amir Aczel, Jayavel Sounderpandian

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Question Posted: Jun 03, 2015 05:51 AM

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Thirty-year fixed mortgage rates in April 2007 seemed normally distributed with mean 6.17%. The standard deviation is

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