Homework SourseWhat percent of darkeyed students wear corrective lens Darke
What percent of dark-eyed students wear corrective lens? Dark-eyed includes black and brown.
Select one:
a. 23/80 = 28.8%
b. None of these values.
c. 60/80 = 75%
d. 23/60 = 38.3%
e. 37/60 = 61.7%
| Wears glasses/Lenses | dont wear a glass | ||
| 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
so total dark eye = 54 + 6 = 60
wears glasses = 4 + 19 = 23
so 23/60
so d)
