A soft drink machine is regulated so that it discharges an average of 250 milliliters per cup. If the amount of drink (X) is normally distributed with a standard deviation of 27 milliliters;
a) what is the probability that a randomly selected cup will contain at least 240 milliliters of
drinks?
b) what is probability that a randomly selected cup will contain between 230 and 260 milliliters of
drinks?
c) below what amount of drink will be the smallest 15% of the drinks?​