Many medical professionals believe that eating too much red meat increases the risk of heart disease and cancer (WebMD website, March 12, 2014). Suppose you would like to conduct a survey to determine the yearly consumption of beef by a typical American and want to use 3 pounds as the desired margin of error for a confidence interval estimate of the population mean amount of beef consumed annually. Use 25 pounds as a planning value for the population standard deviation and recommend a sample size for each of the following situations. a. A 90% confidence interval is desired for the mean amount of beef consumed. b. A 95% confidence interval is desired for the mean amount of beef consumed. c. A 99% confidence interval is desired for the mean amount of beef consumed.
Question 7:
Many medical professionals believe that eating too much red meat increases the risk of heart
disease and cancer (WebMD website, March 12, 2014). Suppose you would like to conduct a
survey to determine the yearly consumption of beef by a typical American and want to use 3
pounds as the desired margin of error for a confidence
mean amount of beef consumed annually. Use 25 pounds as a planning value for the
population standard deviation and recommend a
situations.
a. A 90% confidence interval is desired for the mean amount of beef consumed.
b. A 95% confidence interval is desired for the mean amount of beef consumed.
c. A 99% confidence interval is desired for the mean amount of beef consumed.
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