Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive. What is the probability that the number will be more than 5 or odd? (Enter your probability as a fraction.)

Question

Addition and complement rule studying

Answer 1

From 1 to 10, there are 7 numbers more than 5 or odd (1,3,5,6,7,8, 9).

So the probability is 7/10