| Topic 18 Basics of Probability Please complete the following assessment by providing the answers in the cells provided. |
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Please refer to the tables on the right when appropriate. |
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The following data represent the region of birth of foreign-born residents in the US in 2000. |
| 1. Find the probability a randomly selected Foreign Born US Residents was born in the America’s. |
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Region |
Number (thousands) |
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Europe |
4,772 |
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answer: |
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Asia |
8,364 |
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Africa |
840 |
| 2. What is the probability a randomly selected employee does not earn retirement benefits? |
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Oceana |
180 |
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Latin America |
15,472 |
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answer: |
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North America |
836 |
| 3. What is the probability of a false positive pregnancy test? |
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answer: |
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Employees of a Company |
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Retirement Benefits |
No Retirement Benefits |
total |
| 4. What is the probability a pregnancy test will not result in a false positive test result? |
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Male |
250 |
50 |
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answer: |
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Female |
125 |
75 |
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Total |
| 5. Suppose you toss 3 fair coins. What is the probability thay you get 2 or more tails? |
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answer: |
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Pregnancy Test Results |
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Positive Test |
Negative Test |
total |
| 6. If you roll two dice, what is the probability of getting the same thing on both dice? |
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Pregnant |
80 |
5 |
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answer: |
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Not Pregnant |
3 |
11 |
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Total |
| 7. If you roll two dice, what is the probability of not getting a sum of 7? |
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| 8. If a card is selected from a standard 52 card deck. What is the probability of selecting a club or diamond? |
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| 9. If a card is selected from a standard 52 card deck. What is the probability of selecting a face card or an Ace? |
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| 10. If you roll 2 dice, what is the probability the sum is a 4, 7 or 10? |
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answer: |
