Mathematics, 19.11.2019 05:31 christabell0303
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 99% confidence interval of the population mean amount of beef consumed annually.
use 25 pounds as a planning value for the population standard deviation.
how large a sample should be taken?
Answers: 2
, where n is the sample size , 
is the population standard deviation and 
is the two tailed test value of z for significance level (
).
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