The number of pizzas consumed per month by university students is normally distributed with a mean of 8 and a standard deviation of 2. A. What proportion of students consume more than 9 pizzas per month? Probability = (ANSWER: 0.3085) B. What is the probability that in a random sample of size 12, a total of more than 108 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 12 students?)

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