Question

You have a set of cards labeled 1-10. Set A is drawing an even card. Set B is drawing a 8 or higher. What is the P ( A ∪ B ) ? Express your answer as a decimal.

Answer 1

Set A is drawing an even card: 2, 4, 6, 8, 10

Set B is drawing a 8 or higher: 8, 9, 10

P ( A ∪ B ) = 2, 4, 6, 8, 9, 10 = 6/10 = 0.6

Answer:

P ( A ∪ B ) = 0.6