The resistance of a strain gauge is normally distributed with a mean of100 ohms and a standard deviation of0.3 ohms. To meet the specification, the...
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Question

The resistance of a strain gauge is normally distributed with a mean of 100

 ohms and a standard deviation

of 0.3

 ohms. To meet the specification, the resistance must be within the range 100±0.7

 ohms. What proportion of gauges is acceptable? 

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