Of all awarded prizes, 2% are worth $1000, 10% are worth $100, and 88% are worth $10. Let X be the the winnings for a single ticket. Find 1. E(X) (the expected winnings) 2. V(X) 3. E(10X + 2) 4. V(10X + 2)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Of all awarded prizes, 2% are worth $1000, 10% are worth $100, and 88% are worth $10. Let
X be the the winnings for a single ticket. Find
1.
E(X) (the expected winnings)
2.
V(X)
3.
E(10X + 2)
4.
V(10X + 2)
Transcribed Image Text:Of all awarded prizes, 2% are worth $1000, 10% are worth $100, and 88% are worth $10. Let X be the the winnings for a single ticket. Find 1. E(X) (the expected winnings) 2. V(X) 3. E(10X + 2) 4. V(10X + 2)
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