Surgery Satisfaction Survey Surgery Satisfied Dissatisfied Total
Knee 70 25 95
Hip 90 15 105
Total 160 40 200
The table shows survey results for 200 patients who had either hip or knee surgery. If one person is selected randomly, what is the
probability he or she was satisfied, given that he or she had knee surgery? (Round to the nearest tenth of a percent.)
A)
62.5%
B)
73.796
C)
81.4%
D)
90.2%