A set of history exam scores are normally distributed with a mean of 83.2 points and a standard deviation of 8 points.
What proportion of exam scores are between 82 and 89.2 points?
You may round your answer to four decimal places.

(2,9)

i think thats the answer i checked it on google

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have