Probability Flashcard

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the probability of an event that is certain to happen?

Back

1 (or 100%)

Front

What is the probability of an impossible event?

Back

0 (or 0%)

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 a sample space in probability?

Back

The sample space is the set of all possible outcomes of a probability experiment.

Front

What is the formula for calculating the probability of two independent events occurring?

Back

P(A and B) = P(A) * P(B)

Front

What is the probability of spinning red on a spinner with 5 red and 7 blue sections?

Back

5/12

Front

What is the probability of flipping a coin and rolling a die to get heads and a six?

Back

1 out of 12

Front

What is geometric probability?

Back

Geometric probability is the probability that a point chosen at random falls within a certain area or region.

Front

What does 7! (7 factorial) represent?

Back

7! = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5040