Suppose the heights of the members of a population follow a normal distribution. If the mean height of the population is 65 inches and the
standard deviation is 3 inches, 99.7% of the population will have a height
within which range?
A. 59 inches to 71 inches
B. 62 inches to 68 inches
C. 53 inches to 77 inches
D. 56 inches to 74 inches

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

How do you find the distance of each number from the mean