Question: A process characteristic follows a normal distribution with a mean of 25.15 and standard deviation of 0.9. The spec limits for the characteristic are 25.00
A process characteristic follows a normal distribution with a mean of 25.15 and standard deviation of 0.9. The spec limits for the characteristic are 25.00 +/- 1.5. If sample of 8 parts are taken from the process, what is the probability that there will be no part out of spec in the sample ?
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