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The time required to assemble an electronic component is normally distributed with mean 12.6 minutes and...

The time required to assemble an electronic component is normally distributed with mean 12.6 minutes and a standard deviation of 4.2 minutes.

Find the probability that a particular assembly takes the following length of time.

3.1) Between 12.6 and 17.7 minutes. (3)

3.2) Less than 5.5 minutes (3)

3.3) More than 6.1 minutes (3)

Math   Statistics-And-Probability   
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