You roll two number cubes (dice) numbered from 1 to 6. The sample space is shown. What is the probability of getting a sum of 9?
4/36 or 1/9
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25
Ahmed is giving away roses. He has 7 red roses, 8 yellow roses, and 9 white roses. If Mike selects a rose randomly without looking, what is the probability that he will pick a yellow rose then a yellow rose?
8/24 x 7/23 = 56/552 or 7/69
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25
A bag contains the following chips: 5 blue, 11 pink, 9 white. You take a chip out of the bag without looking, DO NOT replace it, then choose another chip. What is the probability that you choose blue two times?
5/25 x 4/24 = 20/600 or 1/5 x 1/6 = 1/30
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monster
Reset all scores!
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magnet
Take 20 points!
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gift
Win 25 points!
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banana
Go to last place!
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seesaw
Swap points!
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shark
Other team loses 20 points!
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rocket
Go to first place!
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thief
Give points!
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15
Nick has 3 shirts: a white one, a black one, and a blue one and two pairs of pants, one blue and one tan. What is the probability, if Nick gets dressed in the dark, that he winds up wearing the white shirt and tan pants?
1/3 x 1/2 = 1/6 (1 out of 6 outcomes)
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20
You are playing the card game MATCH! There are 10 cards. You turn over one card to reveal a duck. You then pick another card at random. What is the probability that it is also a duck?
1/9
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15
Barbara draws pens randomly from a box containing 5 pens: 1 green pen, 3 red pens, and 1 blue pen. She draws 1 red pen and then another red pen without replacing the first one. What is the probability of this compound event?
3/5 x 2/4 = 6/20 or 3/10
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25
There are 5 yellow shirts, 8 blue shirts, 4 green shirts, and 3 pink shirts in the closet. You choose one at random, then flip a coin. What is the probability that you choose a blue shirt and flip a heads?
8/20 x 1/2 = 8/40 or 1/5
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heart
Other team wins 25 points!
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fairy
Take points!
5
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rocket
Go to first place!
Okay!
thief
Give points!
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20
Alan is arranging 4 different stuffed toys in a row on a shelf. How many ways can he arrange the stuffed toys?
4 x 3 x 2 x 1 = 24 ways
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20
Cathy used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the two tables. What is the probability of pulling a yellow marble and the coin landing heads up?
20/50 x 30/50 = 600/2500 or 6/25
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25
Ahmed is giving away roses. He has 7 red roses, 8 yellow roses, and 9 white roses. If Mike selects a rose randomly without looking, what is the probability that he will pick a white rose then a red rose?
9/24 x 7/23 = 63/552 or 21/184
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25
A bag contains the following chips: 5 blue, 11 pink, 9 white. You take a chip out of the bag without looking, replace it, then choose another chip. What is the probability that you choose pink then white?
11/25 x 9/25 = 99/625
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thief
Give points!
5
10
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25
star
Double points!
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fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
20
Cathy used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the two tables. What is the probability of pulling a blue marble and the coin landing tails up?