### Home > GC > Chapter 12 > Lesson 12.1.3 > Problem 12-28

12-28.

Jinning is going to flip a coin. If the result is “heads,” he wins

What is his expected value per flip?

Find the probability of each flip. Then use that to find the expected value of the flip.

If he flips the coin

times, how much should he win or lose? Use the answer from part (a) to help you.