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A factory in Louisville, Kentucky, produces baseball bats. The diameter of the bat should be 10.4 cm. Out of 324 samples, the sample mean is 10.530000000000001 cm with a sample standard deviation of 0.39 cm. Give a 90% confidence interval for the mean diameter (i.e., the lower and upper bound of the confidence interval). Tib number (rtol=0.01, atol=0.0001) Tub number (rtol=0.01, atol=0.0001) The manager wants to know the 99% confidence interval to be within at most +/- 0.02 cm. How many samples would you (as the junior engineer) need to take to satisfy the manager's desire for precision? n number (rtol=0.01, atol=0.0001)

A factory in Louisville, Kentucky, produces baseball bats. The diameter of the bat should be 10.4 cm. Out of 324 samples, the sample mean is 10.530000000000001 cm with a sample standard deviation of 0.39 cm. Give a 90% confidence interval for the mean diameter (i.e., the lower and upper bound of the confidence interval). Tib number (rtol=0.01, atol=0.0001) Tub number (rtol=0.01, atol=0.0001) The manager wants to know the 99% confidence interval to be within at most +/- 0.02 cm. How many samples would you (as the junior engineer) need to take to satisfy the manager's desire for precision? n number (rtol=0.01, atol=0.0001)

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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#777. Bat Tolerances A factory in Louisville, Kentucky, produces baseball bats. The diameter of the bat should be 10.4 cm. Out of 324 samples, the sample mean is 10.530000000000001 cm with a sample standard deviation of 0.39 cm. Give a 90% confidence interval for the mean diameter (i.e., the lower and upper bound of the confidence interval). number (rtol=0.01, atol=0.0001) Iub number (rtol=0.01, atol=0.0001) The manager wants to know the 99% confidence interval to be within at most +/- 0.02 cm. How many samples would you (as the junior engineer) need to take to satisfy the manager's desire for precision? number (rtol=0.01, atol=0.0001)
Transcribed Image Text:#777. Bat Tolerances A factory in Louisville, Kentucky, produces baseball bats. The diameter of the bat should be 10.4 cm. Out of 324 samples, the sample mean is 10.530000000000001 cm with a sample standard deviation of 0.39 cm. Give a 90% confidence interval for the mean diameter (i.e., the lower and upper bound of the confidence interval). number (rtol=0.01, atol=0.0001) Iub number (rtol=0.01, atol=0.0001) The manager wants to know the 99% confidence interval to be within at most +/- 0.02 cm. How many samples would you (as the junior engineer) need to take to satisfy the manager's desire for precision? number (rtol=0.01, atol=0.0001)
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