Author: | Homework Help Classof1 | ISBN: | 1230000129649 |
Publisher: | Classof1 | Publication: | May 2, 2013 |
Imprint: | Language: | English |
Author: | Homework Help Classof1 |
ISBN: | 1230000129649 |
Publisher: | Classof1 |
Publication: | May 2, 2013 |
Imprint: | |
Language: | English |
The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches. A sample of four metal sheets is randomly selected from a batch. What is the probability that the average length of a sheet is between 30.25 and 30.35 inches long?
The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches. A sample of four metal sheets is randomly selected from a batch. What is the probability that the average length of a sheet is between 30.25 and 30.35 inches long?