Use the Appropriate Normal Distribution to Approximate the Resulting Binomial

question 116

Short Answer

Use the appropriate normal distribution to approximate the resulting binomial distribution.
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Preview Showcase, a research firm, screens pilots of new TV shows before a randomly selected audience and then solicits their opinions of the shows. Based on past experience, 20% of those who get complimentary tickets are "no-shows." The theater has a seating capacity of 500. Management has decided, for public relations reasons, that a person who has been solicited for a screening should have a probability of .99 of being seated.
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How many tickets should the company send out to prospective viewers for each screening?
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__________ tickets