Theoretical and Experimental Probability (Simple Events)

an event with a probability of zero

• impossible

• mutually exclusive

• outcome

• outcome

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What is an event that will happen or has a probability of 1?

• theoretical

• probability

• mutually exclusive

• certain

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The measure of the likelihood that an event will occur. The chance that an event will happen. A ratio of chance/all chances.

• odds

• probability

• outcomes

• tree diagram

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The probability of an event is written as P(event).

• False
• True

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The chance of flipping a tail on a normal coin is equally as likely as flipping a head.

• True

• False

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CCSS.7.SP.C.5

Identify the following scenario as experimental or theoretical:

Samantha flips a coin 10 times and the result is heads 7 times. She concludes that the probability of getting heads must be 7/10

• Experimental

• Theoretical

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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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A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

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Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 3/5
• 1/6
• 2/5
• 1/5

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What is the likelihood of selecting a heart from a deck of cards?

• 1/4
• 1/2
• 3/4
• 1

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