Question

In a class of 28 students, 11 play an instrument and 5 play a sport. There are 2

students who play an instrument and also play a sport. What is the probability that a
student chosen randomly from the class plays a sport or an instrument?

Answer 1

50% or 0.5

Explanation:

Based on the given conditions, formulate: (5+11-2)÷28

Calculate the sum or difference: 16-2/28

Calculate the sum or difference: 14/28

Cross out the common factor: 1/2

get the result: 50% or 0.5

Answer: 50% or 0.5