The probability<span> of an event is the measure of the chance that the event will occur as a result of an experiment. The </span>probability<span> of an event A is the number of ways event A can occur divided by the total number of possible outcomes. a.) since each coin has 50% chance to have heads (1/2) x (1/2) = 1/4 probability </span><span>The penny and nickel shows head
b.) </span><span>All these coins land the same way </span>(1/2) x (1/2) x (1/2) = 1/8