The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.
Pedestrian Deaths
Driver Intoxicated? |
Pedestrian Intoxicated? | |
---|---|---|
Yes | No | |
Yes | 48 | 77 |
No | 217 | 646 |
If one of the pedestrian deaths is randomly selected, find the probability that both the pedestrian and the driver were intoxicated. Please enter a decimal to 4 places.
Probability =
Given:
The number of pedestriants intoxicated = 48 + 217 =265
The number of pedestriants not intoxicated = 77 + 646 = 723
The number of drivers intoxicated = 48 + 77 = 125
The number of drivers not intoxicated 217 + 646 =863
Total number of deaths = 48+77+217+646 = 988
The value of probability...
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