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QUESTION

Specifications for a part for a DVD player state that the part should weigh between 24.1 and 25.1 ounces. The process that produces the parts has a mean of 24.6 ounces and a standard deviation of .21

Specifications for a part for a DVD player state that the part should weigh between 24.1 and 25.1 ounces. The process that produces the parts has a mean of 24.6 ounces and a standard deviation of .21 ounce. The distribution of output is normal.

Specifications for a part for a DVD player state that the part should weigh between 24.1 and 25.1 ounces. The process that produces the parts has a mean of 24.6 ounces and a standard deviation of .21 ounce. The distribution of output is normal. Use Table-A.

Specifications for a part for a DVD player state that the part should weigh between 24.1 and 25.1 ounces. The process that produces the parts has a mean of 24.6 ounces and a standard deviation of .21

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ANSWER

Specifications for a part for a DVD player state that the part should weigh between 24.1 and 25.1 ounces. The process that produces the parts has a mean of 24.6 ounces and a standard deviation of .21 ounce. The distribution of output is normal. Use Table-A.....................

P(24.1<x<25.1)= P( (24.1-24.6)/.21 < z < (25.1-24.6)/.21) = P(-2.381 <z< 2.381 ) = .98274=.98Percentage of parts 98%........................................ 

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