Overlapping Probability

Berry rolls two number cubes. What is the probability that the sum of the two number cubes will be less than 5?

• 1/4

• 1/12

• 1/9

• 1/6

What is the probability that the person picked will be a boy given they speak German?

• 8/11

• 2/5

• 4/25

• 3/11

P(Pizza|Senior):

• 1/2

• 4/5

• 2/3

• 1/5

A survey found that 39% of the population owned dogs, 22% owned cats, and 8% of the population owned both a cat and a dog. Find the probability that a person owns a cat or a dog.

• 0.08

• 0.53

• 0.61

• 0.36

If event A and event B are independent, then which of the following is true?

• P(A) = P(B)

• P(A | B) = P(B)

• P(A | B) = P(A)

• P(A and B) = P(A) + P(B)

Two cards are chosen at random from a standard deck of 52 cards without replacement. What is the probability of choosing two kings?

• 1/26

• 1/69

• 1/221

• 4/663

Which of the following shows how to determine P(shaded number or number less than five)?

• 4/8 + 4/8 - 2/8

• 4/9 + 2/8 - 4/8

• 4/8 + 6/8 + 2/8

• 2/8 + 4/8 - 4/8

Which of the following shows how to determine P(diamond or face card)?

• 13/52 + 12/52 - 3/52

• 3/52 + 13/52 -12/52

• 3/52 + 12/52 - 13/52

• 1/13 + 3/52 - 1/4

Which of the following shows how to determine P(football or basketball)?

• 20/100 + 55/100 - 5/100

• 55/100 + 5/100 - 20/100

• 55/100 + 20/100 + 5/100

• 75/100 + 25/100 - 20/100

Which of the following shows how to determine P(odd number or shaded number)?

• 4/8 + 3/8 - 1/8

• 3/8 + 6/8 - 4/8

• 4/8 - 5/8 + 3/8

• 4/8 + 4/8 - 4/8