If you were asked to play a game in which you tossed a fair coin three times and were given $2 for every head you threw,how much would you expect to win on average?
A)$3
B)$4
C)$5
D)$6
E)$7

Question

Quizplus · Accepted Answer

The probability of getting a head on a single toss is 1/2. The probability of getting a head on three tosses is (1/2)^3 = 1/8. The expected winnings are 2 * (1/8) = $1/4.

If You Were Asked to Play a Game in Which