Wears contact lenses Does not wear contact lenses

Question

Wears glasses


Does not wear glasses


The table shows the number of people who wear glasses, contact lenses, both, or neither, in a random sample of

Amercican adults. According to the table, how many people in the random sample do not wear contact lenses?
Choose 1 answer:
Choose 1 answer:
(Choice A)


A

(Choice B)


B

(Choice C)


C

(Choice D)


D

Answer 1

A

Since there are 80 people who wear contact lenses in the top row of the table (50 + 30), and there are 120 people who do not wear contact lenses in the bottom row (70 + 50), the total number of people who do not wear contact lenses in the random sample is 80 + 120 = 200.