probability Basics 2

Front

What can probability be expressed as?

Back

Probability can be written as a fraction, decimal, percent, or all of the above.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 4?

Back

50%.

Front

If a stone is dropped at random on a set of 9 tiles, what is the probability it lands on a black tile if there are 5 black tiles?

Back

5/9.

Front

What number is closer to an unlikely chance event?

Back

0.

Front

In a bag with 3 red marbles, 2 blue marbles, and 4 yellow marbles, what is the theoretical probability of pulling a red marble?

Back

1/3.

Front

What is the total number of outcomes when rolling a standard six-sided die?

Back

6.

Front

If the probability of an event is 1, what does that mean?

Back

The event is certain to happen.

Front

If the probability of an event is 0, what does that mean?

Back

The event is impossible.

Front

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

Back

50%.

Front

How do you calculate the probability of an event?

Back

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