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1.3. Find the estimated standard error of the proportion if, in the sample of machines, 36 machines had produced paper that is thicker than the average. Is this a good estimate? 1.4. Find the estimated variance of the sample mean and its appropriate standard error. Explain your answer.

1.3. Find the estimated standard error of the proportion if, in the sample of machines, 36 machines had produced paper that is thicker than the average. Is this a good estimate? 1.4. Find the estimated variance of the sample mean and its appropriate standard error. Explain your answer.

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
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question 1 A paper company has about 50 paper mills distributed over 3 provinces. The 50 papermills have a total of 600 machines. Lately it was found that some of the paper the company produces has a thickness above the specification of 2mm. From historical data it was found that the mean paper thickness 1.3mm the variance of 2. Answer the following questions.
Transcribed Image Text:Question 1 A paper company has about 50 paper mills distributed over 3 provinces. The 50 papermills have a total of 600 machines. Lately it was found that some of the paper the company produces has a thickness above the specification of 2mm. From historical data it was found that the mean paper thickness 1.3mm the variance of 2. Answer the following questions.
1.3. Find the estimated standard error of the proportion if, in the sample of machines, 36 machines had produced paper that is thicker than the average. Is this a good estimate? 1.4. Find the estimated variance of the sample mean and its appropriate standard error. Explain your answer.
Transcribed Image Text:1.3. Find the estimated standard error of the proportion if, in the sample of machines, 36 machines had produced paper that is thicker than the average. Is this a good estimate? 1.4. Find the estimated variance of the sample mean and its appropriate standard error. Explain your answer.
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