Question
10-1) Specifications for a part for a DVD player state that the part should weigh between 24.4 and 25.4 ounces. The process that produces the
10-1)
Specifications for a part for a DVD player state that the part should weigh between 24.4 and 25.4 ounces. The process that produces the parts has a mean of 24.9 ounces and a standard deviation of .24 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 95.44 percent of sample means of this process fall, if samples ofn= 7 are taken and the process is in control (random)?(Round your answers to 2 decimal places.) |
Lower value, Upper value |
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