The number of pizzas consumed per month by university students is normally distributed with a mean...

The number of pizzas consumed per month by university students is normally distributed with a mean of 10 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 8, a total of more than 72 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 8 students?)

Probability =

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Here z values probability calculate from standard normal distribution table.

orchestra answered 1 year ago

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