Probability review

The chance of rolling a 2 is 1/6. What is the chance of not rolling a 2?

• 2/6

• 1/6

• 5/6

• Not possible

Tags

CCSS.7.SP.C.5

If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.

• True

• False

Tags

CCSS.HSS.CP.A.1

Tossing a coin and landing on heads and tails

• Mutually exclusive

• Not mutually exclusive

Tags

CCSS.HSS.CP.A.5

5. Rolling an odd number and rolling an even number on a normal six-sided die are

• Mutually exclusive

• Not mutually exclusive

Tags

CCSS.HSS.CP.A.4

CCSS.HSS.CP.A.2

Which of the following pairs of events are mutually exclusive?

• Cards: Ace and Spades

• Two Dice: Odd and Even

• Sit down and stand up

• Sit down and scratch your nose

Tags

CCSS.HSS.CP.A.5

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

Tags

CCSS.HSS.CP.A.4

CCSS.HSS.CP.A.2

Given events such that P(A) = 0.18, P(B) = 0.77, and P(A or B) = 0.95. Are events A and B mutually exclusive or not?

• Mutually Exclusive

• Not Mutually Exclusive

Tags

CCSS.HSS.CP.B.7

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?

• 8/15
• 6/11
• 3/4
• 2/3

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

Tags

CCSS.HSS.CP.B.7

A survey found that 19% of the population owned dogs, 14% owned cats, and 6% of the population owned both a cat and a dog? Find the probability that a person owns a cat or a dog.

• 0.19 + 0.14 + 0.06
• 19/100 + 14/100 - 6/100
• 0.06 + 0.14 - 0.19
• 19/100 + 6/100 -14/100

Tags

CCSS.HSS.CP.B.7