Bell work Probability

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(orange AND green).

• 12/90

• 5/18

• 6/90

• 10/180

You flip a coin three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.8

A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, followed by a queen?
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)

• 4/52 + 4/52
• 4/52 x 4/51
• 4/52 x 4/52
• 4/52 x 3/51

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

In a standard deck of 52 cards there are 13 diamonds and 13 hearts (red) and 13 spades and 13 clubs (black).  Find the probability of choosing a card at random that is a spade OR a 7

• 1/52
• 1/13
• 4/13
• 17/52

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

Given a standard number cube, and the events of rolling an odd number or a 4. Are the events mutually exclusive?

• Not Mutually Exclusive

• Mutually exclusive
• 1/2
• 1/6

Tags

CCSS.HSS.CP.A.1

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

There are 4 black marbles and 2 white marbles in a bag, what is the probability of choosing a black marble, not replacing it and then choosing white.

• 4/15
• 3/17
• 2/5
• 2/19

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

In a standard deck of 52 cards, what is the probability of drawing one ace after another ace on two draws (no replacing)?

• 1/221
• 1/4
• 1/169
• 1/13

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

• 2/52
• 4/52
• 16/52
• 26/52

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

Which formula do you use when two events are mutually exclusive?

• P(A or B) = P(A) + P(B)
• P(A or B) = P(A) + P(B) - P(both)
• P(A and B) = P(A) * P(B)
• P (A and B) = P(A) * P(B|A)

Tags

CCSS.HSS.CP.B.7