MATH SOLVE

4 months ago

Q:
# A biased coin is flipped. The probability of getting heads is 80%. A player wins $2 each time he gets tails, and a game involves 10 tosses. What is the expected value of the money earned in a game?

Accepted Solution

A:

80% of 10 tosses is 8 tosses so it will be heads 8 times, and tails 2 times. meaning they will get 4$