Conditional Probability

Front

What is Conditional Probability?

Back

The probability of an event occurring given that another event has already occurred.

Front

Define Independent Events in probability.

Back

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

Front

Define Dependent Events in probability.

Back

Two events are dependent if the occurrence of one affects the probability of the other.

Front

What is the formula for Conditional Probability?

Back

P(A|B) = P(A and B) / P(B), where P(A|B) is the probability of A given B.

Front

If a box contains 5 purple marbles, 3 green marbles, and 2 orange marbles, what is the probability of drawing two purple marbles without replacement?

Back

2/9

Front

Given a day is in December, what is the probability that it is the 25th?

Back

This is a conditional probability question.

Front

What is the theoretical probability of pulling a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

1/3

Front

How do you calculate the probability of spinning a B on a spinner with two A’s, three B’s, and three C’s?

Back

The probability is 3/8.

Front

What is the probability of drawing two red socks from a drawer containing 6 red and 10 blue socks?

Back

3/40

Front

What does it mean if two events are mutually exclusive?

Back

Two events are mutually exclusive if they cannot occur at the same time.