# Lesson 7 More Variation Practice Understanding

In an experiment, an event is the outcome that we are interested in occurring.

The probability of an event

Answer the following questions.

### 1.

Each letter of the word “S T A T I S T I C S” is written on a card and placed in a box. A card is randomly selected from the box. Find the probability of drawing a card containing the indicated letter.

#### a.

C

#### b.

S

#### c.

I

### 2.

You roll a standard

#### a.

a prime number?

#### b.

an even number?

#### c.

a number greater than

### 3.

A bag contains

#### a.

a red ball?

#### b.

a white ball?

#### c.

a yellow ball?

### 4.

The graph of

### 5.

What do the different values of

### 6.

State the domain of

### 7.

Sketch the graph of

### 8.

Sketch the graph of

### 9.

What is the solution to the equation

### 10.

Find the solution to the equation

Identify the type of function in each table. Justify your answer.

Choices for types of functions: linear but not direct variation, linear and direct variation, inverse variation, quadratic, and exponential.