Mathematics, 26.05.2021 21:20, jyx
in a survey of 1002 people, 701 said that they voted in a recent presidential election. voting records show that 61% of eligible voters actually did vote. find a 99% confidence interval estimate of the proportion of people who say that they voted
Answers: 3
, 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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in a survey of 1002 people, 701 said that they voted in a recent presidential election. voting recor...
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