Find the Indicated Probability

Multiple Choice

Find the indicated probability.
-100 employees of a company are asked how they get to work and whether they work full time or part time. The figure below shows the results. If one of the 100 employees is randomly selected, find the probability that the
Person drives alone or cycles to work. 1. Public transportation: 10 full time, 10 part time
2) Bicycle: 3 full time, 3 part time
3) Drive alone: 31 full time, 26 part time
4) Carpool: 9 full time, 8 part time

A) 0.63
B) 0.57
C) 0.34
D) 0.60