Specifications for a piece of material used in the manufacture of a bed mattress require that the
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Question:
Specifications for a piece of material used in the manufacture of a bed mattress require that the piece be between 71.88 and 74.12 inches. The process that produces the piece yields a mean of 73 and a standard deviation of 0.4 inches. The distribution of output is normal. What percentage of the pieces will meet the length specs?
Question 1 options:
99.48 %
.25 %
99.74 %
76.98 %
None of the Above
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