Which of the following polynomial functions does the graph represent? A. F(x)= x(x-2)(x+1) B. F(x)= (x+2)(x-1)(x-3) C. F(x)= (x+2)(x+1)(x-3) D. F(x)=(x-2)(x+1)(x+3)

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.