Basic Theoretical Probability

Front

What is probability?

Back

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

Front

What is the probability of an event that is impossible?

Back

0%.

Front

What is the probability of an event that is certain?

Back

100%.

Front

What does it mean if an event is 'equally likely'?

Back

It means that all outcomes have the same chance of occurring.

Front

How do you calculate the probability of a single event?

Back

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

Front

What is the probability of spinning a green section on a spinner with 4 equal sections: red, blue, green, yellow?

Back

1/4.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 8?

Back

50%.

Front

If a standard deck of cards has 26 red cards, what is the probability of picking a red card?

Back

Equally likely.

Front

What is the theoretical probability of spinning a 7 on a spinner divided into 8 equal sections?

Back

Front

What is the probability of rolling a 3 on a standard 6-sided die?

Back