Question: A production process operates with 4 % nonconforming output. Every hour a sample of 3 0 units of product is taken, and the number of

A production process operates with 4% nonconforming output. Every
hour a sample of 30 units of product is taken, and the number of nonconforming units counted.
If two or more nonconforming units are found, the process is stopped and the quality control
technician must search for the cause of nonconforming production.
a.(3 points) What is the probability that the process will be stopped?
b.(2 points) How many samples on average it will take to stop the process?

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