# statistics

A lottery offers one \$900 prize, one \$600 prize, three \$400 prizes, and five \$100 prizes. One thousand tickets are sold at \$6 each. Find the expectation of a person buys five tickets.

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1. Total amount of prizes
= 900+600+3*400+5*100
= \$3200
Total number of tickets
= 1000
expected value of prizes for each ticket sold =3200/1000=\$3.2
What is the expected value of 5 tickets?

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2. .695

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