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The number of pizzas consumed per month by a university student is normally distributed with a mean of 10 and a variance of 9.

The number of pizzas consumed per month by a university student is normally distributed with a mean of 10 and a variance of 9. 1) What proportion of students consume more than 12 pizzas per month? Answer: 2) What is the probability that in a random sample of 25 students, more than 275 pizz are consumed?

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