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Unformatted text preview: 5. Find the lowest grade X o such that P ( X X o ) < 0.5. 6. Circle the correct answer: X is an example of a ( discrete ) ( continuous ) random variable. 7. A lottery offers one $1,000 prize, one $500 prize, and five $100 prizes. One thousand tickets are sold at $3 each. Find the expectation (expected value) if a person buys one ticket. Chapter 7...
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 Spring '09
 Mr.Brown
 Statistics

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