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Probability with and without replacement

Company x manufactures toy panzers. Suppose that in an assortment of 20 toy panzers, there are 5 with defective turrets. Draw with and without replacement.

a. If one panzer is selected at random, what is the probability that it has defective turret?
b. If two panzers are selected at random, what is the probability that both have defective turrets?
c. If three panzers are selected at random, what is the probability that all three have defective turrets?

Solution Summary

Company x manufactures toy panzers. Suppose that in an assortment of 20 toy panzers, there are 5 with defective turrets. Draw with and without replacement.

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