Gauges are used to reject all components for which a certain dimension is not within specification 1.50±d. It is known that this measurement is normally distributed with mean 1.50 and standard deviation 0.2.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Gauges are used to reject all components for
which a certain dimension is not within
specification 1.50±d. It is known that this
measurement is normally distributed with
mean 1.50 and standard deviation 0.2.
Determine the value d such that the
specifications "cover" 95% of the
measurements.
0.127
0.392
O 0.205
O 0.442
Transcribed Image Text:Gauges are used to reject all components for which a certain dimension is not within specification 1.50±d. It is known that this measurement is normally distributed with mean 1.50 and standard deviation 0.2. Determine the value d such that the specifications "cover" 95% of the measurements. 0.127 0.392 O 0.205 O 0.442
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