Chapter 20 Practice

(1) You play a game with your friend where a card is drawn at random from a standard deck of cards. If the card is a face card, you lose $5. If the card is an even number, you win $5. If the card is an odd number, you win $3, and if the card is an ace, nothing happens. What is the expected value for this game?

Outcome
Probability
Decimal

Expected Value = _______

(2) The proportion of US households owning from 0 to 4 or more pets is provided in the table below. What is the missing proportion?

Number of Pets	Proportion
0	0.18
1	0.36
2
3	0.10
4	0.06

If I randomly select one household in the US, what is the expected number of pets?

Expected Value = _______