1: a) the life spans of a species of fruit fly have a bell shaped distribution, with a mean of 30 days and a standard deviation of 5 days b) the life spans of three randomly selected fruit flies are 35 days, 28 days, and 42 days Find the z-score that correspond to each life span. Determine whether any of these life span are unusual. C) the life spans of three randomly selected fruit flies are 25 days, 45 days, and 36 days. Using the Empirical Role, find the percentile that corresponds to each life span. Question 2: For the month of April, a checking account has a balance of $545 for 23 days, $2405 for 4 days, and $300 for 3days. What is the account's mean daily balance for April