The number of pizzas consumed per month by university students is normally distributed with a mean of 11 and a standard deviation of 3. a. what proportion of students consume more than 12 pizzas per month? probability = b. what is the probability that in a random sample of size 11, a total of more than 132 pizzas are consumed? (hint: what is the mean number of pizzas consumed by the sample of 11 students? ) probability =