Probability

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent

• Independent

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

• Independent

• Dependent

The outcome of one event does not influence the outcome of the other event.

• independent event

• tree diagram

• simple event

• odds

The outcome of one event does influence the outcome of the other event.

• mutually exclusive event

• probability

• dependent event

• simple probability

If A and B are mutually exclusive, which statement below must be true?

• P(A∩B) = 0

• P(A|B) = 0

• P(A∪B) = 0

• P(A) + P(B) = 1

When picking two cards from a pack (replacing the card and shuffling after the first pick) the two outcomes are:

• Dependent

• Independent

When picking two cards from a pack (without putting the first one back) the two outcomes are:

• Dependent

• Independent

What are mutually exclusive events?

• Events that can happen at the same time

• Events that cannot happen at the same time

• Events that add up to 100%

What is the complement to: rolling an even number

• Not rolling an even number (rolling an odd number)

• rolling a 2,4,6

• Rolling a number less than 4

The complement of rolling a 3 is:

• Rolling an odd number

• Not rolling a 3

• Rolling an even number