A bag contains 6 blue marbles, 4 red marbles, and 5 green marbles. If two marbles are drawn at random without replacement, what is the probability that both are green?
2/21
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seesaw
Swap points!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
Oops!
10
A jar contains 8 red marbles, 6 blue marbles, and 6 green marbles. If you pick one marble at random, what is the probability of picking a red marble?
2/5
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15
If a coin is flipped three times, what is the probability of getting exactly two heads?
3/8
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15
5% of 360
18
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monster
Reset all scores!
Oops!
magnet
Take 20 points!
Okay!
gift
Win 20 points!
Okay!
baam
Lose 15 points!
Oops!
5
2(4y + 3)
8y + 6
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10
4x+8=x-1
-3
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seesaw
Swap points!
Oops!
rocket
Go to first place!
Okay!
fairy
Take points!
5
10
15
20
25
lifesaver
Give 20 points!
Oops!
5
If you flip a coin, what is the probability of getting tails?
1/2
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15
If you pick a random number between 1 and 10 (inclusive), what is the probability of picking a prime number?