he 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. a) The life spans of three randomly selected fruit flies are 31 days, 29 days, and 43 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 40 days, 35 days, and 20 days. Using the Empirical Rule, find the percentile that corresponds to each life span. ..... The z-score corresponding a life span of 43 days is 2.6. Type an integer or a decimal rounded to two decimal places as needed») Select all of the life spans that are unusual. O A. 31 days O B. 29 days YC. 43 days O D. None of the life spans are unusual. (b) Determine the percentiles using the Empirical Rule. th percentile. th percentile. th percentile. The 40 day fruit fly corresponds to the The 35 day fruit fly corresponds to the The 20 day fruit fly corresponds to the (Type an integer or a decimal.)

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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.
(a) The life spans of three randomly selected fruit flies are 31 days, 29 days, and 43 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 40 days, 35 days, and 20 days. Using the Empirical Rule, find the percentile that corresponds to each life
span.
The z-score corresponding a life span of 43 days is 2.6
(Type an integer or a decimal rounded to two decimal places as neededi)
Select all of the life spans that are unusual.
O A. 31 days
O B. 29 days
C. 43 days
D. None of the life spans are unusual.
(b) Determine the percentiles using the Empirical Rule.
The 40 day fruit fly corresponds to the
th percentile.
th percentile.
th percentile.
The 35 day fruit fly corresponds to the
The 20 day fruit fly corresponds to the
(Type an integer or a decimal.)
Clear All
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69°F
carch
Transcribed Image Text: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. (a) The life spans of three randomly selected fruit flies are 31 days, 29 days, and 43 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 40 days, 35 days, and 20 days. Using the Empirical Rule, find the percentile that corresponds to each life span. The z-score corresponding a life span of 43 days is 2.6 (Type an integer or a decimal rounded to two decimal places as neededi) Select all of the life spans that are unusual. O A. 31 days O B. 29 days C. 43 days D. None of the life spans are unusual. (b) Determine the percentiles using the Empirical Rule. The 40 day fruit fly corresponds to the th percentile. th percentile. th percentile. The 35 day fruit fly corresponds to the The 20 day fruit fly corresponds to the (Type an integer or a decimal.) Clear All Check Answer Help Me Solve This View an Example Get More Help - W 69°F carch
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