Homework SourseThe professor found pair of prescription glasses on the grou
The professor found pair of prescription glasses on the ground after class, what are the chances that the glasses belong to a dark-eyed student? Dark-eyed includes black and brown.
Select one:
a. 34/80 = 42.5%
b. 23/34 = 67.6%
c. 34/60 = 56.7%
d. 23/60 = 38.3%
e. 23/80 = 28.8%
| Wears glasses/Lenses | does not wears glasses/lense | ||
| Dark-eyed | |||
| Black | 4 | 2 | 6 |
| Brown | 19 | 35 | 54 |
| Light-eyed | |||
| Blue | 8 | 4 | 12 |
| Green | 2 | 3 | 5 |
| Hazel | 1 | 2 | 3 |
Solution
b. 23/34 = 67.6%
