Male players use a regulation basketball that weighs 22.0 ounces with a standard deviation of 1.0 ounce. Assume that the weights of basketballs are approximately normally distributed. What percentage...

Male players use a regulation basketball that weighs 22.0 ounces with a standard deviation of 1.0 ounce.  Assume that the weights of basketballs are approximately normally distributed.

1. What percentage of regulation basketballs weigh more than 22.0 ounces?


2. If a regulation basketball is randomly selected, what is the probability that it will weigh between 19.5 and 22.5 ounces?