Probability Test 1 Fall 2024

Front

What is the probability of an event?

Back

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

Front

What is theoretical probability?

Back

Theoretical probability is the probability of an event calculated based on the possible outcomes in a perfect scenario, without any experimental data.

Front

How do you calculate the probability of a single event?

Back

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

Front

What is the probability of getting heads in a fair coin flip?

Back

The probability of getting heads in a fair coin flip is 1/2.

Front

What is the formula for the probability of the union of two events?

Back

P(A or B) = P(A) + P(B) - P(A and B).

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred, denoted as P(A|B).

Front

How do you find the probability of drawing a specific color marble from a bag?

Back

Probability = (Number of marbles of that color) / (Total number of marbles in the bag).

Front

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

Back

The probability of an event that is certain to happen is 1.

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 0.

Front

If a student plays a team sport or an instrument, how do you find the combined probability?

Back

Use the formula: P(A or B) = P(A) + P(B) - P(A and B).