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A hospital director believes that more than 55% of the test tubes contain errors and feels an audit is required. A sample of 290 reports found 174 errors. Is there sufficient evidence at the 0.10 level to substantiate the hospital director's claim? State the null and alternative hypotheses for the above scenario

A hospital director believes that more than 55% of the test tubes contain errors and feels an audit is required. A sample of 290 reports found 174 errors. Is there sufficient evidence at the 0.10 level to substantiate the hospital director's claim? State the null and alternative hypotheses for the above scenario

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A hospital director believes that more than 55% of the test tubes contain errors and feels an audit is required. A sample of 290 reports found 174 errors. Is there sufficient evidence at the 0.10 level to substantiate the hospital director's claim?

State the null and alternative hypotheses for the above scenario.

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