subject
Mathematics, 18.10.2021 06:40 emalvidrez5205

The Environmental Protection agency requires that the exhaust of each model of motor vehicle be tested for the level of several pollutants. The level of oxides of nitrogen (NOX) in the exhaust of one light truck model was found to vary among individually trucks according to a Normal distribution with mean 1.45 grams per mile driven and standard deviation 0.40 grams per mile. (a) What is the 90th percentile for NOX exhaust, rounded to four decimal places?

(b) Find the interquartile range for the distribution of NOX levels in the exhaust of trucks rounded to four decimal place

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.
Answers: 1
question
Mathematics, 21.06.2019 14:30
Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.
Answers: 1
question
Mathematics, 21.06.2019 19:30
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
Answers: 1
question
Mathematics, 21.06.2019 20:00
15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
Answers: 1
You know the right answer?
The Environmental Protection agency requires that the exhaust of each model of motor vehicle be test...
Questions
question
Biology, 02.12.2019 20:31
Questions on the website: 13722362