A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident.

Did alcohol play a role

1 Vehicle Involved

2 Vehicles Involved

3 Vehicles Involved

Totals

Yes

50

100

20

170

No

25

175

30

230

Totals

75

275

50

400

Referring to the TABLE, given alcohol was involved, what proportion of accidents involved a single vehicle?

a. 50/75 or 66.67%

b. 50/170 or 29.41%

c. 120/170 or 70.59%

d. 120/400 or 30%