# Question 9 20 pts Assume that a sample is used to estimate a population proportion p....

###### Question:

Question 9 20 pts Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places. 95% confidence; n = 396 x = 48 Question 10 20 pts Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke. O 12.4% <p 27.6% O 14.6% <p 25.4% O 13.6% <p < 26.4% O 11.6% <p < 28.4% 20 pts Question 11 Use the confidence level and sample data to find a confidence interval for estimating the population u. Round your answer to the nearest tenth if necessary. Test scores: n = 100, 1 = 92,0 - 20: 90% confidence

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