Question 870772
 mean of 175 lbs and a standard deviation of 14 lbs.
P(190 < x < 210) = P(z < 35/14) -P(z < 15/35)
P(x < 150) = P(z < -25/35) = P(z < -.7143) = 23.75%   Using table / Calculator
P(x > 180) = 1 - P(z< 5/35)