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

Question

Quizplus · Accepted Answer

The total number of outcomes when tossing five coins is 2^5 = 32 (since each coin has 2 outcomes: heads or tails). To find the number of ways to get at least one head, subtract the one way to get all tails from the total outcomes: 32 - 1 = 31 ways.

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