Mathematics, 10.06.2021 23:00 meganwintergirl
Assume that you wish to estimate a population proportion, p. For the given margin of error and confidence level, determine the sample size required: A researcher wants to determine what proportion of adults in one town regularly buy organic food. Obtain a sample size that will ensure a margin of error of at most 0.04 for a 90% confidence interval. In previous years, the proportion has been 0.16 .
Answers: 2
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a p-value of 
, so 
. 
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Assume that you wish to estimate a population proportion, p. For the given margin of error and confi...
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