Chapter 8.3, Problem 50SR

(a)

To determine

To calculate: To find the favorite pizza toppings of the people surveyed

Answer to Problem 50SR

Just cheese is the favorite pizza topping of the people surveyed.

Explanation of Solution

Given information: Graph showing the results of survey about favorite pizza toppings

  

Calculation:

Given a graph showing the results of survey about favorite pizza toppings

  

From above graph, cheese has the highest percentage

Conclusion:

Hence, just cheese is the favorite pizza topping of the people surveyed.

(b)

To determine

To calculate: To find the number of people who are expected to rate mushrooms as their favorite topping

Answer to Problem 50SR

  $12500$ number of people who are expected to rate mushroom as their favorite pizza toppings

Explanation of Solution

Given information: Graph showing the results of survey about favorite pizza toppings

  

Calculation:

Given a graph showing the results of survey about favorite pizza toppings

  

From above graph, percentage of people having mushroom as favorite pizza toppings $=5\%$

Also, number of people surveyed $=250000$

Thus, total number of people who are expected to rate mushroom as their favorite pizza toppings is calculated as follows:

  $\begin{array}{l}Number=\frac{5}{100}\times 250000\\ Number=5\times 2500\\ Number=12500\end{array}$

Conclusion:

Hence, $12500$ number of people who are expected to rate mushroom as their favorite pizza toppings