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Specifications for a part for a DVD player state that the part should weigh between 25.5 and 26.5 ounces. The process that produces the parts
Specifications for a part for a DVD player state that the part should weigh between 25.5 and 26.5 ounces. The process that produces the parts has a mean of 26.0 ounces and a standard deviation of .22 ounce. The distribution of output is normal. UseTable-A.
| Specifications for a part for a DVD player state that the part should weigh between 25.5 and 26.5 ounces. The process that produces the parts has a mean of 26.0 ounces and a standard deviation of .22 ounce. The distribution of output is normal. UseTable-A. |
| a. | What percentage of parts will not meet the weight specs?(Round your "z" value and final answer to 2 decimal places. Omit the "%" sign in your response.) |
Percentage of parts | % |
| b. | Within what values will 99.74 percent of sample means of this process fall, if samples ofn = 12 are taken and the process is in control (random)?(Round your answers to 2 decimal places.) |
Lower value ounces, Upper value ounces |
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Financial Accounting and Reporting a Global Perspective
Authors: Michel Lebas, Herve Stolowy, Yuan Ding
4th edition
978-1408066621, 1408066629, 1408076861, 978-1408076866
