Probability

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

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CCSS.7.SP.C.5

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

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CCSS.7.SP.C.5

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

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CCSS.7.SP.C.5

What is the probability of rolling a cube and having land as an odd number?

• 3/4
• 1/3
• 1/2
• 2/5

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning the spinner and having it land on Green?

• 1/4 or 25%
• 1/3 or 33%
• 1/5 or 20%

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of flipping a coin and having it land heads and then flipping the coin again and having it land heads?

• 2/4
• 1/3
• 1/4

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CCSS.7.NS.A.3

CCSS.7.SP.C.5

CCSS.7.SP.C.8

What is the probability of drawing a 5 from 10 cards numbered 1 to 10 and rolling a 2 on a dice?

• 6/11
• 1/60
• 2/16
• 1/10

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of drawing a red marble from a bag of 6 red and 4 blue marbles, replacing it, and then drawing a blue marble?

• 6/25
• 1/24
• 24/100
• 12/50

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 5 red marbles and 5 purple marbles. What is the probability of drawing a red marble and then a purple marble, without replacing the first marble before drawing the second?

• 5/18
• 25/90
• 1/4
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8