Question
The life spans of a species of fruit fly have a bell-shaped distribution, with a mean...
The life spans of a species of fruit fly have a bell-shaped distribution, with a mean of 34 days and a standard deviation of 5 days.
(a) The life spans of three randomly selected fruit flies are 35 days, 31days, and 49 days. Find the z-score that corresponds to each life span. Determine whether any of these life spans are unusual.
(b) The life spans of three randomly selected fruit flies are 44 days, 49 days, and 24 days. Using the Empirical Rule, find the percentile that corresponds to each life span.
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