Identify the center of dilation and scale factor. (multiple answers)

A- Center at (0,0)
B- Center at (-1,2)
C- Center at (6,5)
D- Center at (2,-1)
E- k = 1/2
F- k = 2

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.