Astrology A sociologist plans to conduct a survey to estimate the percentage of health care professionals who

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Astrology A sociologist plans to conduct a survey to estimate the percentage of health care professionals who believe in astrology. How many health care professionals must be surveyed if we want a confidence level of 99% and a margin of error of four percentage points?

a. Assume that nothing is known about the percentage to be estimated.

b. Use the information from a previous Harris survey in which 26% of respondents said that they believed in astrology.

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Biostatistics For The Biological And Health Sciences

ISBN: 9780134039015

2nd Edition

Authors: Marc Triola, Mario Triola, Jason Roy

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