Probability Unit Review 7th

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.  P(green, black)

• 3/20
• 1/4
• 3/31
• 2/27

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

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

• 1/12
• 2/9
• 3/7
• 7/19

Jim picks a diamond out of a deck of cards, replaces it and gets a diamond again. What is the probability this happened. (There are 13 diamonds, and 52 cards in a deck)

• 1/16
• 2/13
• 4/17
• 1/21

Lisa flipped the same coin 3 times. What is the probability she obtained all tails?

• 1/2
• 1/4
• 1/16
• 1/8

There are 4 white marbles, 6 red marbles, and 2 blue marbles. Find the probability of selecting a blue marble, keeping it out, and then selecting a blue marble again.

• 1/2

• 1/36

• 1/6

• 1/66

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. You do NOT put the marble back. What is the probability of choosing an orange marble first, and then choosing a green marble second?

• 1/15

• 2/15

• 3/31

• 1/5

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 so you put it back in the back, and select another candy

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

A jar contains 4 white chips, 5 purple chips, and 1 black chip. What is the probability you choose a purple chip, you do not put it back in the jar, and then choose a black chip?

• 1/18

• 2/5

• 3/7

• 4/9