In a Pizza Takeout Restaurant, the Following Probability Distribution Was $$\begin{array} { c | c } x & \mathrm { P } ( x ) \\\hline 0 & .30 \\1 & .40 \\2 & .20 \\3 & .06 \\4 & .04\end{array}$$

question 130

Multiple Choice

In a pizza takeout restaurant, the following probability distribution was obtained for the number of toppings ordered on a large pizza. Find the mean and standard deviation for the random variable. $$\begin{array} { c | c } x & \mathrm { P } ( x ) \\\hline 0 & .30 \\1 & .40 \\2 & .20 \\3 & .06 \\4 & .04\end{array}$$

• A) mean: 1.14; standard deviation: 1.04
• B) mean: 1.54; standard deviation: 1.30
• C) mean: 1.30; standard deviation: 2.38
• D) mean: 1.30; standard deviation: 1.54

---

Definitions:

Digital Environment

A space or platform enabled by digital technology, where interactions, transactions, or processes can occur.

Tolerance

The capacity to accept or endure differences, opinions, or behavior without adverse reaction.

Surface Cultural

Relating to the visible or easily identifiable aspects of a culture, such as language, dress, or food.

Prevalence

The proportion or frequency at which a particular condition, phenomenon, or behavior occurs in a population at a specific time.