The mean and the standard deviation of the sample of 40 trash bag breaking strengths are 50.575and
Question:
a. What does the histogram in Figure 2.17 (page 52) say about whether the Empirical Rule should be used to describe the trash bag breaking strengths? 50.575
b. Use the Empirical Rule to calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all possible trash bag breaking strengths.
c. Does the estimate of a tolerance interval containing 99.73 percent of all breaking strengths provide evidence that almost any bag a customer might purchase will have a breaking strength that exceeds 45 pounds? Explain your answer.
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a The histogram indicates that distribution of the breaking strengths is mounded and appro...View the full answer
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Related Book For 
Essentials Of Business Statistics
ISBN: 9780078020537
5th Edition
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
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