The number of pizzas consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 4. a- What proportion of students consumes more than 12 pizzas per...

The number of pizzas consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 4.

a-  What proportion of students consumes more than 12 pizzas per month?

b-  What is the probability that in a random sample of 25 students more than 275 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 25 students?)

This question are related to QBA201 course!