SOLUTION: a distribution center receives shipments of a product from 3 different factories in the quantities of 50, 30, and 20. three times a product is selected at random, each time without

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Question 1011167: a distribution center receives shipments of a product from 3 different factories in the quantities of 50, 30, and 20. three times a product is selected at random, each time without replacement. find the probability that (a) all 3 products came from the third factory and (b) non of the products came from the third factory.
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a distribution center receives shipments of a product from 3 different factories in the quantities of 50, 30, and 20. three times a product is selected at random, each time without replacement. find the probability that (a) all 3 products came from the third factory and (b) non of the products came from the third factory.
This is quite similar to a statistics question from Chamberlain College of Nursing

a) Probability that all three products came from the 3rd factory: , or .7%
b) Probability that none of the three products came from the 3rd factory: , or 50.8%
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