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Independent Probabilities
Authored by Anthony Clark
Mathematics
7th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?
1/9
1/27
1/6
2/9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Suppose you drew one marble from the bag above, replaced it and then drew a second marble. What is the probability of picking a yellow marble, and then blue? P(yellow, blue)
9/20
3/20
1/10
13/20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?
1/3
1/2
1/6
1/4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the probability of tossing a coin four times and getting tails each time?
1/16
1/8
1/2
1/4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the probability that Tom will get a lollipop, replace it, then draw a gumball? The treat bag containing 6 lollipops and 4 gum balls
1/24
1/90
6/25
1/10
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the probability of rolling a die and landing on a 4, and then rolling the die again and landing on any even number?
1 ⁄ 6
1 ⁄ 8
1 ⁄ 2
1 ⁄ 12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?
1/9
1/27
1/6
2/9
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