5) The heights of a pediatricians three-year-old females are approximately normally distributed, with mean 38.72 inches and standard deviation 3.17 inches. Find the height of a three-year-old female at the 32nd percentile. 6) Hospitals typically require backup generators to provide electricity in the event of a power outage. Assume that emergency backup generators fail 22% of the times when they are needed. A hospital has two backup generators so that power is available if one of them fails during a power outage. a. Find the probability that both generators fail during a power outage? b. Find the probability that both generators do NOT fail? c. Find the probability that at least one generator fails