Probability

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

• 2/9
• 1/3
• 1/2
• 1/4

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

Tags

CCSS.7.SP.C.5

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

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

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

• independent event
• tree diagram
• simple event
• odds

Tags

CCSS.L.6.6

CCSS.L.7.6

CCSS.W.5.2D

CCSS.W.6.2D

CCSS.W.7.2D

Yasmine places 4 blue beads and seven red beads in bag. What is the probability she picks a blue bead, puts it to the side and selects another blue bead?

• 16/121
• 6/55
• 12/121
• 1/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

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

• Independent
• Dependent

Tags

CCSS.7.SP.C.8

CCSS.7.SP.C.7

The spinner is spun two times.  Determine the probability of landing on red the first spin and on green the second spin .

• 1/9
• 1/10
• 0
• 1/12

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

You roll a 6-sided die twice. What is the probability of rolling an even number, then a number greater than 4?
P(even, then greater than 4)

• 5/6
• 1/2
• 1/6
• 1/8

P(4)*P(Tails)=
You flip a coin and roll a die. What is the probability that you flip a tails and roll a 4?

• 3/15
• 1/12
• 2/3
• Susan