10-4 Experimental Probability

Experimental Probability

Review Questions

Math Response

Aponi wants to purchase a birdfeeder that costs $19.95. The sales-tax rate in her city is 8 1/2%. What is the total cost of the birdfeeder?

Type answer here

Correct Answer: 21.65

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Math Response

A firepit costs $162.95. The sales-tax rate is 8 1/4%. What is the total cost of the firepit?

Type answer here

Correct Answer: 176.39

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Math Response

Mrs. Cousins works in a pool store and earns a 9.5% commission on every swimming pool she sells. How much commission would she earn for selling a pool that costs $5,600?

Type answer here

Correct Answer: 532.00

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Math Response

Tino sells tractors and earns a 3.75% commission on every tractor he sells. How much commission would he earn for selling a tractor that cost $8,995? Round to the nearest cent.

Type answer here

Correct Answer: 337.31

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Today's Lesson:
Experimental Probability

​Learning Goal: I can find the theoretical and experimental probabilities of a simple event.

​Find and compare the theoretical probability and the experimental probability.

Multiple Choice

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

Math Response

Neil tossed a 6-sided die 90 times. The results of his tosses are recorded in the table below: Which number has the experimental probability of 13/90?

Type answer here

Correct Answer: 1

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Multiple Choice

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

What is the theoretical probability for spinning a 3 as a percentage?

• 25%

• 30%

• 40%

• 50%

Multiple Choice

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

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

Multiple Choice

Sarah hit the ball 3 times out of the 8 times.

What is the experimental probability (as a percent) that she will hit the ball next?

• 22.5%

• 37.5%

• 45%

• 3%

Math Response

Jill rolled a "five" fifteen times out of twenty rolls on a dice.

What is the experimental probability as a SIMPLIFIED FRACTION!

Type answer here

Correct Answer: \frac{3}{4}

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Multiple Choice

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

Multiple Choice

What happens to the experimental probability as the number of trials increases?

• As more trials are completed, the experimental probability generally draws closer to the theoretical probability.

• As more trials are completed, the theoretical probability generally draws closer to the experimental probability.

Math Response

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

Write your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{1}{13}

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Math Response

The experimental probability that Jonah will catch a fly ball is equal to 7/8. About what percent of the time will Jonah catch a fly ball?

Round to the nearest whole percent.

Type answer here

Correct Answer: 88

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Multiple Choice

If the probability of an event is 0.99, which of the following best describes the event?

• The event will never occur

• There is a small chance that the event will occur

• The event is likely to occur

• The event will definitely occur