A survey asked 150 commuters about their primary method of transportation and their age group. The results are summarized in the table below.
Commute Method by Age Group
| Commute Method | Under 30 | 30 or Over | Total |
|---|---|---|---|
| Car | 40 | 60 | 100 |
| Public Transport | 30 | 20 | 50 |
| Total | 70 | 80 | 150 |
Which of the following probabilities is the greatest?
The probability that a randomly selected commuter is under 30, given they use a car.
The probability that a randomly selected commuter is 30 or over, given they use public transport.
The probability that a randomly selected commuter uses public transport, given they are under 30.
The probability that a randomly selected commuter uses a car, given they are 30 or over.
