The two-way table below gives the thousands of commuters in Massachusetts in 2015 by transportation method and one-way length of commute.
Less than
15
1515 minutes
15
1515-
29
2929 minutes
30
3030-
44
4444 minutes
45
4545-
59
5959 minutes
60
6060 or more minutes Total
Private vehicle
636
636636
908
908908
590
590590
257
257257
256
256256
2647
26472647
Public Transportation
9
99
54
5454
96
9696
62
6262
108
108108
329
329329
Other
115
115115
70
7070
23
2323
7
77
7
77
222
222222
Total
760
760760
1032
10321032
709
709709
326
326326
371
371371
3198
31983198
Given that the commuter used public transportation, find the probability that the commuter had a commute of
60
6060 or more minutes.
P
(
60
+
minutes
∣
public transportation
)
=
P(60+ minutes ∣ public transportation)=