Basic Probability Flashcard

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 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 outcomes.

Front

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

Back

1/2

Front

What is the probability of rolling a fair 6-sided die and getting a number less than 4?

Back

3/6 or 1/2

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain to occur.

Front

How many possible outcomes are there when rolling a 6-sided die?

Back

6 possible outcomes: 1, 2, 3, 4, 5, 6.

Front

If a spinner has 8 equal sections, what is the probability of landing on any one section?

Back

1/8

Front

What is the probability of drawing a red card from a standard deck of 52 cards?

Back

26/52 or 1/2.

Front

What is the probability of spinning a spinner and landing on a number greater than 5 if it has numbers 1 to 8?

Back

3/8 (numbers 6, 7, 8).