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probability:02_multiple_event_probability [2014/01/20 15:44] marje [2.3. Independent events] |
probability:02_multiple_event_probability [2014/03/06 13:16] anna [2.2. Mutually non exclusive events] |
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| <WRAP task> | <WRAP task> | ||
| On Midsummer's Day, a probability of a person having a car accident is $0,08$. The probability of a person | On Midsummer's Day, a probability of a person having a car accident is $0,08$. The probability of a person | ||
| - | driving intoxicated is $0,35$ and probability that a person has a car accident while intoxicated is $0,2$. | + | driving intoxicated is $0,35$ and probability that a person has a car accident while intoxicated is $0,02$. |
| What is the probability of a person driving while intoxicated or having a car accident? | What is the probability of a person driving while intoxicated or having a car accident? | ||
| - | ++Answer| $\text{Pr}[\text{"a person driving while intoxicated or having a car accident"}]=0,35+0,08-0,2=0,23$++ | + | ++Answer| $\text{Pr}[\text{"a person driving while intoxicated or having a car accident"}]=0,35+0,08-0,02=0,41$++ |
| </WRAP> | </WRAP> | ||
| Line 432: | Line 432: | ||
| <WRAP nl> | <WRAP nl> | ||
| - | [[probability:03_conditional_probability|3. Conditional probability]]\\ | + | [[probability:03_conditional_probability]]\\ |
| </WRAP> | </WRAP> | ||