The Weschler Intelligence Scale (IQ) for Children is approximately normally distributed with a mean of 100 and a standard deviation of 15. a) What is the probability that a randomly selected child has...

The Weschler Intelligence Scale (IQ) for Children is approximately normally distributed with a mean of 100 and a standard deviation of 15.

a) What is the probability that a randomly selected child has an IQ score above 120?

b) What is the probability that a randomly selected child has an IQ score between 93 and 110?