subject
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

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
What are different types of statistical programs
Answers: 2
question
Mathematics, 21.06.2019 21:10
If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52
Answers: 2
question
Mathematics, 21.06.2019 21:30
X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /
Answers: 3
question
Mathematics, 21.06.2019 22:30
Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?
Answers: 2
You know the right answer?
In tucson, arizona, the air pollution index averages 62.5 during the year with a standard deviation...
Questions
question
Physics, 17.11.2020 16:50
Questions on the website: 13722362