# Question

A shipment of 1,000 parts contains 1 percent defective parts. Find the probability that

(a) The first four parts chosen arbitrarily for inspection are nondefective;

(b) The first defective part found will be on the fourth inspection.

(a) The first four parts chosen arbitrarily for inspection are nondefective;

(b) The first defective part found will be on the fourth inspection.

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