Probability

Front

What is theoretical probability?

Back

Theoretical probability is the likelihood of an event occurring based on the possible outcomes in a perfect scenario, calculated as the ratio of the number of favorable outcomes to the total number of possible outcomes.

Front

How do you calculate the probability of an event?

Back

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

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

What does P(A|B) represent?

Back

P(A|B) represents the probability of event A occurring given that event B has occurred.

Front

If a spinner has 10 equal sections, what is the probability of landing on a specific number?

Back

The probability of landing on a specific number = 1/10.

Front

In a bag with 3 red, 2 blue, and 4 yellow marbles, what is the probability of drawing a blue marble?

Back

Probability of drawing a blue marble = Number of blue marbles / Total marbles = 2/9.

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

How do you find the probability of the union of two events A and B?

Back

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

Front

What is the complement of an event?

Back

The complement of an event A is the event that A does not occur, denoted as A'. The probability of the complement is P(A') = 1 - P(A).