Mathematics, 06.04.2020 18:39 lucyfox8165
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=929 and x=523 who said "yes". Use a 99% confidence level.
a. Find the best point estimate of the population P. (Round to three decimal places as needed)
b. Identify the value of margin of error E. (Round to four decimal places as needed)
c. Construct a confidence interval. ___ < p <. (Round to three decimal places as needed)
d. Write a statement that correctly interprets the confidence interval. Choose the correct answer bellow
1. One has 99% conficence that the interval from the lower bound to the upper boundactually does contain the true value of the population proportion.
2. 99% of sample proportions will fall between the lower bound and the upper bound.
3. there is a 99% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
4. One has 99% confidence that the sample proportion is equal to the population proportion
Answers: 2
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