To determine the proportion of customers who order cheese pizza at Little Ceasar

Question

To determine the proportion of customers who order cheese pizza at Little Ceasar's, a random sample of pizza orders was taken. Of the 350 orders sampled, 92 were cheese.

(a) What is the population of interest?

A. 92 cheese pizza orders B. all people who order pizza C. customers at Little Ceasar's D. the 350 pizza orders

(b) Which of the following is the sample?

A. 92 cheese pizza orders B. all people who order pizza C. customers at Little Ceasar's D. the 250 pizza orders

(c) What percent of the orders were for cheese pizza? Show work.

(d) The percent calculated in the previous question is...

A. statistic B. parameter

Explanation / Answer

(a) Correct option:

C. Customers at Little Ceasar's

(b) Correct option:

D, the 350 pizza orders

(c) Percent of orders for cheese pizza = (number of orders for cheese pizza)/Total number of orders) X 100

                                                     = (92/350) X 100 = 26.2851 %

(d) Correct option:

A. statistic

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