Solve the problem.
-If you toss five fair coins, in how many ways can you obtain at least one head?
A) 31
B) 15
C) 32
D) 16

Question

Quizplus · Accepted Answer

The total number of outcomes when tossing five coins is 2^5 = 32 (since each coin has 2 outcomes and there are 5 coins). To find the number of ways to get at least one head, subtract the one way to get all tails (no heads) from the total outcomes: 32 - 1 = 31.

Solve the Problem. -If You Toss Five Fair Coins, in How Many Ways