A pharmaceutical company wants to estimate the mean response time for a supplement to reduce blood pressure.

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A pharmaceutical company wants to estimate the mean response time for a supplement to reduce blood pressure. How large of a sample should be taken to estimate the mean response time to within 1 week at 99% confidence. Assume σ = 3.7 weeks.

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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 03:17 AM

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A pharmaceutical company wants to estimate the mean response time for a supplement to reduce blood pressure.

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