1. A set of test scores is normally distributed with a mean of 70 and a standard deviation of 6. Between which two scores could 68% of the scores lie? *

answer:      

step-by-step explanation:

you ignore the remainder, therefore the answer is y = x+2

step-by-step explanation:

you have to divide the denominator by the numerator. you can use synthetic division or long division.

[-5] .     1 .     7 .     11

x + 2 + 1/x+5