As stated by a courier companys dispatch department, the number of delivery errors per million consignments has

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As stated by a courier company’s dispatch department, the number of delivery errors per million consignments has a standard deviation that is less than 2.

Write the claim as a mathematical statement. State the null and alternative hypotheses, and identify which represents the claim.

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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