Flash bulbs manufactured by a certain company are
Chapter 0, Problem 7.100(choose chapter or problem)
Flash bulbs manufactured by a certain company are sometimes defective. a. If 5% of all such bulbs are defective, could the techniques of this section be used to approximate the probability that at least 5 of the bulbs in a random sample of size 50 are defective? If so, calculate this probability; if not, explain why not. b. Reconsider the question posed in Part (a) for the probability that at least 20 bulbs in a random sample of size 500 are defective.
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