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 Use Table 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 of n 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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Question: 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.

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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