Probability Predictions

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, where 0 means the event will not happen and 1 means it will definitely happen.

Front

What is a theoretical probability?

Back

Theoretical probability is the likelihood of an event happening based on all possible outcomes, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of landing on yellow if there are 8 equal sections on a spinner and 1 section is yellow?

Back

1/8.

Front

If a spinner has 4 sections: 1 red, 1 blue, 1 green, and 1 yellow, what is the probability of spinning red?

Back

1/4.

Front

If I spin a spinner with 3 yellow sections and 5 total sections, how many times would I expect to land on yellow if I spin it 24 times?

Back

9 times.

Front

What is the probability of NOT landing on yellow if there are 3 yellow sections out of 8 total sections?

Back

5/8.

Front

If a fair coin is flipped 50 times, how many times can you expect heads to appear?

Back

25 times.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 6?

Back

3/6 or 1/2.

Front

If a bag contains 5 red balls, 3 yellow balls, and 2 green balls, what is the probability of picking a yellow ball?

Back

3/10.