Probability Review

Front

What is the definition of probability?

Back

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

Front

What is the formula for calculating the probability of an event?

Back

P(A) = Number of favorable outcomes / Total number of outcomes.

Front

What does it mean for events to be independent?

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.

Front

What is the probability of rolling a 3 on a fair six-sided die?

Back

1/6.

Front

What is the probability of rolling an even number on a fair six-sided die?

Back

3/6 or 1/2.

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 calculate conditional probability?

Back

P(A|B) = P(A and B) / P(B).

Front

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

Back

26/52 or 1/2.

Front

What is the probability of getting heads in a single coin toss?

Back

1/2.

Front

What is the multiplication rule for independent events?

Back

P(A and B) = P(A) * P(B) for independent events A and B.