Question #N925

A survey of 100 randomly selected students found that 60 students prefer to eat pizza for lunch, 30 students prefer to eat a sandwich for lunch, and 10 students prefer to eat salad for lunch. If the survey results are representative of the entire student body, what is the probability that a randomly selected student prefers to eat a sandwich for lunch? Express your answer as a decimal.
A. 0.1
B. 0.3
C. 0.6
D. 0.9

Correct Answer is: B

Since 30 out of the 100 students surveyed prefer sandwiches, the probability that a randomly selected student prefers to eat a sandwich for lunch is 30/100, or 0.3.