What is the equation of the graphed line in point-slope form? y + 6 = (x + 4) y + 4 = (x + 6) y + 6 = (x + 4) y + 4 = (x + 6)

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.