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confidence about the possible size of our error if we estimate the mean amount of drink dispensed to be 22.5 deciliters?

confidence about the possible size of our error if we estimate the mean amount of drink dispensed to be 22.5 deciliters?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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eters. Construct a 98% confidence interval for the mean height of all Senior High School students. 3. A soda machine is regulated so that the amount of drink dispensed is approximately coda machine is regulated so that the amount of drink dispensed is approximately A Souly distributed with a standard deviation equal to 1.5 deciliters. A random sample "E 36 drinks had an average content of 22.5 deciliters. What can we assert with a 95% anfidence about the possible size of our error if we estimate the mean amount of drink dispensed to be 22.5 deciliters? 4. Mr. Zamora, an admission officer in a university would like to estimate how long will it take to complete the test he has prepared for the entrance exams. He assumes that the time taken to complete a problem in Statistics test is normally distributed. A sample of 75 was taken, and sample mean and standard deviation were found to be 2.5 and 0.55 hours respectively. Estimate the mean time taken to complete the test using a 90% confidence interval.
Transcribed Image Text:eters. Construct a 98% confidence interval for the mean height of all Senior High School students. 3. A soda machine is regulated so that the amount of drink dispensed is approximately coda machine is regulated so that the amount of drink dispensed is approximately A Souly distributed with a standard deviation equal to 1.5 deciliters. A random sample "E 36 drinks had an average content of 22.5 deciliters. What can we assert with a 95% anfidence about the possible size of our error if we estimate the mean amount of drink dispensed to be 22.5 deciliters? 4. Mr. Zamora, an admission officer in a university would like to estimate how long will it take to complete the test he has prepared for the entrance exams. He assumes that the time taken to complete a problem in Statistics test is normally distributed. A sample of 75 was taken, and sample mean and standard deviation were found to be 2.5 and 0.55 hours respectively. Estimate the mean time taken to complete the test using a 90% confidence interval.
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