Graph both functions to find the solution(s) to the system. use the line tool to graph the line. use the parabola tool to graph the parabola. choose maximum or minimum point first and then a point on the parabola.

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.