MATHEMATICS · Single correct · AP · AP Statistics · Probability Random Variables Distributions · Probability Random Variables Distributions
Problem
A school canteen sells only tea, coffee and milkshake. On a particular day 120 students bought drinks: 45 bought tea, 50 bought coffee and the rest bought milkshake. If one student is selected at random, what is the probability that the student bought tea or milkshake?
(a) 2413
(b) 127
(c) 125
(d) 83