If you have a pack of markers with 10 different colors, what is the probability of selecting a black marker?
1/10
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Okay!
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10
One pen is chosen without looking from a bag that has 3 blue pens,
6 red, and 3 green. What is P(green)?
1/4
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Okay!
Check
15
One pen is chosen without looking from a bag that has 3 blue pens,
6 red, and 3 green. What is P(purple)?
0
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Check
Okay!
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boom
Lose 50 points!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
Oops!
15
A certain word game contains a large 20-sided die with letters instead of numbers on the sides. If all of the vowels (a, e, i, o, and u) are on the die, then what is the probability of rolling a vowel?
1/4
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15
One pen is chosen without looking from a bag that has 3 blue pens,
6 red, and 3 green. What is P(blue or red)?
3/4
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Okay!
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15
An ordinary six-sided die is rolled. What is the probability that a number greater than four is rolled?
1/3
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Okay!
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15
A number cube is marked with 1, 2, 3, 4, 5, and 6 on its faces. If you roll the cube one time, what is P(2)?
1/6
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Okay!
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15
An ordinary six-sided die is rolled. What is the probability that a number greater than three is rolled?
1/2
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Okay!
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eraser
Reset score!
Oops!
rocket
Go to first place!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
trap
No points!
Oops!
gift
Win 25 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
One pen is chosen without looking from a bag that has 3 blue pens,6 red, and 3 green. What is P(not green)?
3/4
Oops!
Check
Okay!
Check
15
One pen is chosen without looking from a bag that has 3 blue pens,
6 red, and 3 green. What is P(red)?
1/2
Oops!
Check
Okay!
Check
15
A number cube is marked with 1, 2, 3, 4, 5, and 6 on its faces. If you roll the cube one time, what is P(2 or 5)?