Applying Probability Rules

In a fish tank, there are 23 goldfish, 4 angelfish, and 9 guppies. If a fish is selected at random, find the probability that it is an angelfish or a guppy.

• 3/4

• 13/36

• 8/9

• 23/26

A single card is drawn from a deck. Find the probability of selecting a heart or a 9.

• 9/52

• 1/4

• 4/13

• 17/52

If a single card is drawn from an ordinary deck of cards, what is the probability of drawing a jack, queen, king, or ace?

• 17/52

• 4/13

• 9/26

• 5/13

A single card is drawn from a deck. Find the probability of selecting a 4 or a diamond.

• 5/13

• 7/13

• 4/13

• 9/13

What is the Multiplication Rule?

• P(A) ⋅ P(B|A)

• P(A) - P(B)

• P(A) ⋅ P(B)

• P(A) + P(B) - P(A ∩ B)

Are getting a head and getting a tail when flipping a coin mutually exclusive events?

• No

• Yes

What is the Multiplication Rule?

• P(A) ⋅ P(B|A)

• P(A) - P(B)

• P(A) ⋅ P(B)

• P(A) + P(B) - P(A ∩ B)

A single card is drawn from a deck. Find the probability of selecting a club or a diamond.

• 4/13

• 1/2

• 3/4

• 6/13

A single card is drawn from a deck. Find the probability of selecting a jack or a black card.

• 7/13

• 8/13

• 3/7

• 5/7