Question

In: Statistics and Probability

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 8 and a standard deviation of 2. Use Excel to answer the following questions:

A. What proportion of students consume more than 11 pizzas per month?

Probability =

B. What is the probability that in a random sample of size 8, a total of more than 80 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 8 students?)

Probability =

Solutions

Expert Solution

A.

B.

New mean = 8*8 = 64

New SD = 5.6568


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