Probability Exit Ticket 10/13

Justin has a bag with 8 blue marbles and 4 red marbles. He picks one, and without replacing it, picks another. What is the probability of picking 2 blue marbles?

• 14/33

• 2/3

• 4/9

• 1/3

Justin has a bag with 8 blue marbles and 4 red marbles. He picks one, replaces it, and picks another. What is the probability of picking 2 blue marbles?

• 4/9

• 1/3

• 2/3

• 14/33

Landing on heads after tossing a coin and rolling a 5 on a single 6-sided die (www.softschools.com)

• Independent event

• Dependent event

Tags

CCSS.HSS.CP.A.5

A bag contains 3 red cubes, 4 green cubes, and 5 blue cubes. One cube is taken from the bag and is not replaced. Another cube is taken. (www.softschools.com)

• independent event

• dependent event

Tags

CCSS.HSS.CP.A.5

A six-sided number cube with the numbers 1, 2, 3, 4, 5, and 6 is used in a game. Each number is shown only once on the six sides of the cube.

Sam will win the game if he gets a number less than 3 the next time he rolls the number cube. What is the probability that Sam will win the game on his next roll?

• 1/3

• 1/6

• 1/2

• 2/3

Tags

CCSS.7.SP.C.7A

Suppose a cube numbered 1–6 is rolled

three times. What is the probability of

rolling an even number, followed by

an odd number, followed by an even

number?

• 1/8

• 1/2

• 1/3

• 9/40

Eleven letters spelling PROBABILITY are placed in a bag. You pick one, replace it, then pick another. What is the probability of picking a R and then an I?

• 2/121

• 1/121

• 3/11

• 1/55