Solve the problem.
-If you toss four fair coins, in how many ways can you obtain at least one head?
A)16 ways
B)4 ways
C)15 ways
D)5 ways

Question

Quizplus · Accepted Answer

The total number of outcomes when tossing four fair coins is 2^4 = 16 (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 no heads (all tails) from the total. So, 16 - 1 = 15 ways.

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