Mathematics, 05.02.2020 11:00 breonaleonard6821
In tucson, arizona, the air pollution index averages 62.5 during the year with a standard deviation of 18. assuming normality, the index falls within what interval 95% of the time?
a) (8.5, 116.5)
b) (44.5, 80.5)
c) (45.4, 79.6)
d) (26.5, 98.5)
e) not enough info given
Answers: 1
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