Mathematics, 22.08.2020 17:01, kaylaamberd
A researcher is interested in estimating the proportion of voters who favor a tax on e- commerce. Based on a sample of 250 people, she obtains the following 99% confidence interval for the population proportion, Which of the statements below is a valid interpretation of this confidence interval?
A) If many different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, in the long run 99% of the confidence intervals would contain the true value of p.
B) If many different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, 99% of the time the true value of p would lie between 0.113 and 0.171.
C) There is a 99% chance that the true value of p lies between 0.113 and 0.171.
D) If 100 different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, exactly 99 of these confidence intervals would contain the true value of p.
Answers: 2
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A researcher is interested in estimating the proportion of voters who favor a tax on e- commerce. Ba...
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