TEST - Cat. 1: Rational Numbers/sample space/simple probability

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

Where do negative numbers fit in the number system?

Back

Negative numbers are part of the integer set and are located to the left of zero on the number line.

Front

What is the probability of an event?

Back

The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

Front

How do you calculate the probability of selecting a specific item from a group?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

Front

If there are 5 green, 6 yellow, 8 blue, and 7 brown M&Ms, what is the total number of M&Ms?

Back

Total M&Ms = 5 + 6 + 8 + 7 = 26.

Front

What is the probability of selecting a blue M&M from the group?

Back

Probability of blue = 8/26 = 4/13.

Front

What is a Venn diagram?

Back

A Venn diagram is a visual representation that shows the relationships between different sets, often using overlapping circles.

Front

How do you determine if a number is a whole number?

Back

A whole number is a non-negative integer, including zero, and does not include fractions or decimals.

Front

What is the relationship between whole numbers and rational numbers?

Back

All whole numbers are rational numbers because they can be expressed as a fraction with a denominator of 1.