Probability of Compound Events

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

• 1/15

• 2/15

• 3/15

• 4/15

A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit.

Find the probability that both pieces of fruit are apples.

• 2/15

• 3/17

• 1/19

• 6/21

Find the probability of selecting a black checker from a bag of 6 black and 4 red checkers, replacing it and selecting another black. 

• 9/25
• 1/4
• 2/23
• 3/41

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Find the probability of flipping a heads on a coin, and then getting the color yellow on a spinner with 6 different colors.

• 1/12

• 2/9

• 3/7

• 7/19

Lisa flipped the same coin 3 times.

What is the probability she obtained all tails?

• 1/2

• 1/4

• 1/16

• 1/8

Which compound event if composed of dependent events?

• Selecting a candy bar from a bag eating the candy bar and selecting again
• Selecting a candy bar from a bag, deciding you don't want it, replace the candy bar and select again.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

You roll a pair of number cubes (dice).

Which equation represents how to find the probability of rolling a 2 and then an odd number?

• ⅙ x ½ = 1/12

• ⅙ + ½ = 2/8

• ½ x ½ = 1/4

• ⅓ + ½ = 5/6

Determine if the following events are dependent or independent.

"Anna flips a coin two times..."

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Determine if the following events are dependent or independent.

"Anna draws a card from a bag, does not replace it and draws a second time.."

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

In a box there are 3 red pens, 2 green pens, and 1 blue pen.

What is the probability of picking a red pen, not replacing it, and then picking a blue pen?

• 1/2

• 4/11

• 1/10

• 2/3