Ms. Block's 12-17

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 (impossible) and 1 (certain).

Front

What does it mean if an event is 'equally likely'?

Back

An event is 'equally likely' if all outcomes have the same chance of occurring.

Front

How do you calculate the probability of rolling a number less than or equal to 3 on a number cube?

Back

The probability is calculated as the number of favorable outcomes (1, 2, 3) divided by the total outcomes (1-6), which is 3/6 or 1/2.

Front

What is the sum of two dice?

Back

The sum of two dice can range from 2 (1+1) to 12 (6+6).

Front

What is the probability of rolling a sum greater than 5 with two dice?

Back

The probability is 13/18.

Front

Back

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in an equation or expression.

Front

How do you find the expected value based on a sample?

Back

To find the expected value, multiply the probability of each outcome by the total number of trials.

Front

If 189 pizzas were sold and 6 were cheese, how many cheese pizzas were expected?

Back

Expected cheese pizzas = (6/27) * 189 = 42.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.