A consumer group compared the reliability of two comparable microcomputers from two different manufacturers. The proportion requiring

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A consumer group compared the reliability of two comparable microcomputers from two different manufacturers. The proportion requiring service within the first year after purchase was determined for samples from each of two manufacturers.

Find a 0.95 confidence interval for p1 - p2

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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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Question Posted: Aug 28, 2015 03:45 AM

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A consumer group compared the reliability of two comparable microcomputers from two different manufacturers. The proportion requiring

Question:

Manufacture pl Size Proportion Needing Service 75 75 0.15 0.09 2

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Step 1 The difference in proportions requiring service from two manufa...View the full answer

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