What is experimental probability?

• Probability is defined as a mathematical way of calculating how likely an even is to occur.

• Probability found by conducting an experiment.

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CCSS.7.SP.C.6

Celine flipped a coin 100 times. She flipped heads 41 times and tails 59 times. What is the experimental probability that the next flip will be heads?

• 41/100

• 1/2

• 59/100

• 3/4

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Based on the results in the table, which is the best prediction of how many times Paola will draw a blue or a red marble in 5,000 trials? (HINT: Set up as a proportion!)

• about 1,400 times

• about 3,000 times

• about 4,400 times

• about 3,600 times

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A restaurant manager recorded the number of orders for each of four drinks available. The results are shown in the table. Determine whether the following prediction is TRUE or FALSE.

About 16 of the next 50 drink orders will be for water.

• TRUE

• FALSE

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CCSS.7.RP.A.2

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Which of the following describes experimental probability?

• Perform an experiment to determine the probability

• Determining the expected probability of an event

• Perform a simulation and count the number of possible outcomes

• Use trials to count the number of desired outcomes

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CCSS.7.SP.C.6

Dylan made 15 out of 35 free throws.

What's his experimental probability as a simplified fraction?

• 3/7

• 15/35

• 1/2

• 5/7

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CCSS.7.SP.C.5

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

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CCSS.7.SP.C.5

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The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were NOT blue?

• 2/5

• 3/5

• 4/5

• 1/5

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CCSS.7.SP.C.5

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A coin is tossed 18 times. It lands on heads 12 times. What is the experimental probability of the coin landing on tails? simplify the fraction!

• 
• 
• 

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Jill rolled a "5" fifteen times out of 20 rolls on a dice.

What is the experimental probability as a SIMPLIFIED FRACTION!

• 3/7

• 3/6

• 3/5

• 3/4

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CCSS.7.SP.C.5

CCSS.7.SP.C.6