basic probability

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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What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

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CCSS.7.SP.C.5

Rolling a 15 on a number cube is 

• Impossible
• Certain
• Unlikely
• Equally Likely

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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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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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What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

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The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

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A probability near 1 is _______.

• never going to happen 
• very likely to happen
• probably never going to happen
•  equally likely to happen

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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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Probability can be written as ...

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

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