A lot of parts contains 500 items, 100 of which are defective. Suppose that 20 items are
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A lot of parts contains 500 items, 100 of which are defective. Suppose that 20 items are selected at random. Let X be the number of selected items that are defective.
a. Express the quantity P(X = 5) using factorials.
b. Use the binomial approximation to compute an approximation to P(X = 5).
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a X H500 100 20 so b The binomial ...View the full answer
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