Question: 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
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 = _______
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