5-6 Adding Probabilities

Probability is about how likely (probable) something is to happen

• True

• False

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CCSS.7.SP.C.5

100% , sure

• certain

• likely

• unlikely

• uncertain

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CCSS.7.SP.C.5

85 - 90% probabilities

• certain

• likely

• unlikely

• uncertain

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CCSS.7.SP.C.5

-20 % probabilities

• certain

• likely

• unlikely

• uncertain

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CCSS.7.SP.C.5

You pick a marble from this bag.
What is the probability you will choose either a black or white marble?

• 3/5
• 9/100
• 1/10
• 2/5

In a fish tank, there are 23 goldfish, 4 angelfish, and 9 guppies. If a fish is selected at

random, find the probability that it is an angelfish or a guppy.

• 3/4

• 13/36

• 8/9

• 23/36

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CCSS.HSS.CP.B.7

Find the probability of rolling greater than a 1 on a single die.

• 6/6
• 5/6
• 4/6
• 1/6

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CCSS.7.SP.C.7B

A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of  drawing a blue piece of candy?

• ¹/₂
• ¹/₁₀
• ³/₁₀
• ¹/₃

Tags

CCSS.7.SP.C.7B

If the probability that it will rain tomorrow is 0.37, what is the probability that it will not

rain tomorrow?

• 0.37

• -0.37

• 0.63

• 1.37

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CCSS.7.SP.C.5

Probability can be expressed as a number between_____ and _____.

• 0 and 100
• 0 and 10
• 0 and 1
• -1 and 1

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CCSS.7.SP.C.5