1.A soft drink machine is regulated so that it discharges an average of 200 milliliters per cup. If the amount of drink is normally distributed with a standard deviation of 15 milliliters, what is the probability that a cup will: a) contain more than 226 milliliters? b) contain mora than 189 and 211 milliliters? (Step by step) 2. The length of human pregnancies from conception to birth varies according to distribution that is approximately normal with mean 266 days and standard deviation 16 days. how long do the longest 4% of all pregnancies last