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Mathematics, 16.02.2021 05:40 jason9394
The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 27.5 years, with a standard deviation of 3.3 years. The winner in one recent year was 32 years old.
(a) Transform the age to a z-score.
(b) Interpret the results.
(c) Determine whether the age is unusual.(a) Transform the age to a z-score.
z=nothing
(Type an integer or decimal rounded to two decimal places as needed.)
(b) Interpret the results.
An age of 32 is about nothing standard deviation(s)
βΌ
the mean.
(Type an integer or decimal rounded to two decimal places as needed.)
(c) Determine whether the age is unusual.
Choose the correct answer below.
A.
No, this value is not unusual. A z-score outside of the range from β2 to 2 is not unusual.
B.
Yes, this value is unusual. A z-score outside of the range from β2 to 2 is unusual.
C.
Yes, this value is unusual. A z-score between β2 and 2 is unusual.
D.
No, this value is not unusual. A z-score between β2 and 2 is not unusual.
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The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 27.5...
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