Probability/rates/ratios

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a fraction or percentage.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is the probability of NOT getting a yellow marble from a bag with 2 yellow, 3 green, 4 red, and 5 blue marbles?

Back

12/14 or 6/7.

Front

What is the ratio of cats to total pets if Bailey has 2 cats and 12 pets?

Back

2:12.

Front

What metric measurement is used for liquid capacity?

Back

Liter.

Front

How do you calculate the average (mean) score?

Back

Add all the scores together and divide by the number of scores.

Front

If Billy scored 35 points in 5 games, how many points did he score per game?

Back

7 points per game.

Front

What is the probability of landing on an odd number if a spinner has 4 sections with 2 odd numbers?

Back

1/2.

Front

What does it mean if two events are independent in probability?

Back

The outcome of one event does not affect the outcome of the other.

Front

How do you express a ratio in simplest form?

Back

Divide both parts of the ratio by their greatest common divisor.