The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents. Driver Intoxicated? Pedestrian Intoxicated? Yes No Yes 64 84 No 260 570 If one of the pedestrian deaths is randomly selected, find the probability that the driver was intoxicated. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. prob = %
The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents. Driver Intoxicated? Pedestrian Intoxicated? Yes No Yes 64 84 No 260 570 If one of the pedestrian deaths is randomly selected, find the probability that the driver was intoxicated. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. prob = %
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.1: Percents And Fractions
Problem 31E
Related questions
Question
The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.
Driver Intoxicated? |
Pedestrian Intoxicated? | |
Yes | No | |
Yes | 64 | 84 |
No | 260 | 570 |
If one of the pedestrian deaths is randomly selected, find the probability that the driver was intoxicated.
Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.
prob = %
Expert Solution
Step 1
The contingency table is given as follows:
|
Pedestrian Intoxicated? |
|
|
Driver Intoxicated? |
Yes |
No |
Row Total |
Yes |
64 |
84 |
148 |
No |
260 |
570 |
830 |
Column Total |
324 |
654 |
978 |
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