Nails Have A Mean Length Of 6 Inches And Standard Deviation Of 1 Inch Samples Of

Nails have a mean length of 6 inches and standard deviation of .1 inch.

Samples of 50 are examined at random.

If the average length is outside the interval 5.98 to 6.02 inchesthe entire production will be examined.

Find the probability the day’s production will need to be examined

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