The life span of a species of a fruit fly have a bell-shaped distribution with a mean of 32 days and a standard deviation of 4 days. A) The life span of 3 randomly selected fruit flies are 35 days, 30 days and 43 days. Find the z-score that responds of each life span l. Determine of any of these are unusual. B) The life span of 3 randomly selected fruit flies are 44 days, 40 days and 28 days. Using the empirical rule, find the percentile that corresponds to each life span