What is the probability that the mean breaking strength

Reference no: EM13193525

Plastic bags used for packaging are manufactured so that the breaking strength of the bag is normally distributed with a mean of 5.6 pounds per square inch and a standard deviation of 1.8 pounds per square inch. What is the probability that the mean breaking strength of a sample of 22 bags will be less than 6 pounds per square inch?

Reference no: EM13193525

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