Probability Review

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CCSS.7.SP.C.5

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The table shows the results of a survey of 100 people selected at random at an airport.  Find the experimental probability that a person selected at random is going to City C.

Airport Destinations
City A-22
City B-52
City C-11
City D-15

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• 19%
• 73%
• 47%
• 61%

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• 23%
• 14%
• 50%
• 77%

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CCSS.7.SP.C.5

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CCSS.7.SP.A.1

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Suppose a fair coin is tossed and a 6-sided number cube is rolled. Avery gets heads 4 out of 20 tosses and gets a 2 ten out of 20 rolls.  What is the experimental probability that the coin lands on heads and the outcome on the number cube is a 2?

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CCSS.7.SP.C.5

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Michelle won 8 of 12 tennis games she played. At this rate, which of the following is the best prediction of the number of tennis games she will win out of her next 30 games?  

• 10 games
• 20 games
• 15 games
• 16 games

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CCSS.6.RP.A.3B

Carson is one of 5 employees eligible for a promotion at work. If each employee is equally likely to be selected, but there is only 1 promotion available, what is the probability that Carson will NOT be promoted?

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CCSS.7.SP.C.5

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CCSS.7.SP.C.5

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CCSS.7.SP.C.8