Easy Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is the probability of flipping a coin and getting heads?

Back

1/2

Front

What is the probability of rolling a 6 on a standard die?

Back

1/6

Front

How do you express 0.5 as a percent?

Back

50%.

Front

What is the probability of drawing a red card from a standard deck of cards?

Back

1/2.

Front

What does it mean if an event is 'impossible'?

Back

An impossible event has a probability of 0.

Front

What does it mean if an event is 'certain'?

Back

A certain event has a probability of 1.

Front

What is the probability of spinning an even number on a spinner divided into 4 equal sections (1, 2, 3, 4)?

Back

50%.

Front

How do you write 0.75 as a percent?

Back

75%.

Front

What is the probability of picking a blue marble from a bag containing 3 red, 2 blue, and 5 green marbles?

Back

2/10 or 1/5.