The Environmental Protection Agency (EPA) requires that 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 individual trucks according to an approximately Normal distribution with mean μ=1.45 grams per mile driven and standard deviation σ=0.40 grams per mile. Which of the following best estimates the proportion of light trucks of this model with NOX levels greater than 2 grams per mile? a. 0.0846

b. 0.0228

c. 0.9772

d. 0.9154

e. 0.4256

42.4

step-by-step explanation:

convert to decimal

2 x 503

step-by-step explanation:

its 1006

both the histogram and the stem and leaf plot will visually show how many shoppers were of various ages within each range of data.   the histogram does not give us the specific ages of these shoppers unlike the stem and leaf plot.a histogram does not give us a true range of the data because we do not know exactly how old the shoppers were. a stem and leaf plot will give exact ages, so we can determine the exact range along with all measures of center and the others measures of center.   with the histogram, we cannot find any of these.

step-by-step explanation: