A cosmetic retailer surveyed 200 customers on which of their top two lipstick shades the customers preferred. The results are shown
in the table. Find the probability of randomly selecting a customer
who prefers the Pretty Pink shade, given they are among the group
of 30-year-olds?
Ruby Red
Pretty Pink
20-29 years
old
31
18
30-39 years old
28
22
40-49 years old
22
30
50-59 years old
17
32