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QUESTION 3 5.42b: Provide the lower bound of the confidence interval. Round your answer to the nearest integer. Hint: L-12, p. 14

QUESTION 3 5.42b: Provide the lower bound of the confidence interval. Round your answer to the nearest integer. Hint: L-12, p. 14

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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QUESTION 3 5.42b: Provide the lower bound of the confidence interval. Round your answer to the nearest integer. Hint: L-12, p. 14
Transcribed Image Text:QUESTION 3 5.42b: Provide the lower bound of the confidence interval. Round your answer to the nearest integer. Hint: L-12, p. 14
5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1.590 1,440 1,730 1,680 1,750 1,720 1.900 1,570 1,700 1,900 1,800 1,770 2,010 1,580 1,620 1,690 y = 1,718.3 and s = 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1,600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?
Transcribed Image Text:5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1.590 1,440 1,730 1,680 1,750 1,720 1.900 1,570 1,700 1,900 1,800 1,770 2,010 1,580 1,620 1,690 y = 1,718.3 and s = 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1,600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?
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