Probability with combinations

A box of markers contains 3 red, 4 green, and 5 blue markers. Find hte probability of picking out 2 green at the same time.

• $\frac{4}{66}$

• $\frac{1}{11}$

• $\frac{6}{66}$

• none of these

A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

A bag has 3 red marbles, 2 blue, 1 yellow and 4 green. What is the probability of pulling out 2 green at the same time?

• 4/10

• 2/5

• 1/9

• 2/15

A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of  drawing a blue piece of candy?

• ¹/₂
• ¹/₁₀
• ³/₁₀
• ¹/₃

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The following M & M colors are in the bowl:

4 yellow, 6 orange, 3 green, 5 blue, 2 brown. YHou reach in and grab 3 at the same time.

Find P(3 orange)?

• 3/157

• 3/10

• 3/20

• 1/57

The following M & M colors are in the bowl:

4 yellow, 6 orange, 3 green, 5 blue, 2 brown

P(2 yellow, 2 blue)?

• 4/323

• 4/4845

• 2/10

• none of these

How would you solve?

From the 20 DVD's you purchased this past year, you plan to take five with you on vacation. How many different sets of five DVD's can you take?

• Permutation

• Counting Principles

• Factorial

• Combination

Tags

CCSS.HSS.CP.B.9

a bag of candy contains 4 peppermint, 6 butterscotch and 2 lemon. You reach into the bag and take 3 candies.

Find P(1 lemon, 3 butterscotch) ?

• 45/495

• 8/99

• 2/495

• 10/99

a bag of candy contains 4 peppermint, 6 butterscotch and 2 lemon. You reach into the bag and take 3 candies.

Find P(3 peppermint, 2 butterscotch) ?

• 3/396

• 19/792

• 5/66

• none of these

a box of markers contains 2 yellow , 4 red, 6 blue, and 3 green. You reach in and grab some at the same time.

P(2 yellow)?

• 2/105

• 1/105

• 2/15

• 1/30