Probability

Probability is ...

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

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Probability can be written as ...

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

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A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

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CCSS.7.SP.C.5

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What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

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P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

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The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

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Theoretical P(Odd #)

• 2/3

• 4/9

• 7/10

• 1/2

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CCSS.7.SP.C.5

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Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

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What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?

• 5/6
• 1/36
• 1/3
• 1/6

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CCSS.7.SP.C.5

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What is the probability of rolling 15 with a pair of dice?

• impossible
• unlikely
• equally likely
• likely

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