Probability

Probability can be written as ...

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

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Probability is ...

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

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A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

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The probability line can be any number from ___ to ___

• 0 to 1

• 0 to 50

• 0 to 75

• 0 to 99

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A likely event could be which percentage?

• 25%
• 75%
• 50%
• 100%

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What is the theoretical probability of the spinner landing on a 5?

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Experimental Probability is ______

• data from our experiment

• our prediction

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The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

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A stack of cards has 5 red cards and 8 blue cards. Sarah draws a card without replacement, then draws another card. What is the probability that she will draw two red cards?

• 28/39

• 5/39

• 20/169

• 1/156

What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?

• 1 ⁄ 6
• 1 ⁄ 8
• 1 ⁄ 2
• 1 ⁄ 12

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