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A random sample of 3 is taken from a lot of 10 items. If the lot contains 4 defective items, a. What is the probability

A random sample of 3 is taken from a lot of 10 items. If the lot contains 4 defective items,

a. What is the probability of getting one or more defective items?

b. What is the probability of getting exactly one defective item?

c. What is the probability of getting at least one defective items given there are at most two defective items?

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