IXL | Use collected data to find probabilities and make predictions

Mr. Larsen has a huge box of 200 paper clips in assorted sizes for the students in his classroom to use. He randomly selects 12 paper clips from the box and then puts them back. Here are the sizes he selects:

large, medium, large, large, small, medium, large, medium, small, large, small, medium

Based on the data, what is the probability that the next paper clip Mr. Larsen selects will be large?

Write your answer as a fraction or whole number.

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Learn with an example

question

Zane is in charge of equipment at Putter Around Fun Center. He opens a huge new box of golf balls that just arrived. The golf balls are assorted colors that are mixed throughout the box. Zane has no idea how many of each color are in the box, so he randomly picks 30 balls out of the box. He picks 8 yellow, 3 red, 5 orange, 6 green, and 8 pink golf balls.

Based on the data, what is the probability of choosing a red golf ball?

Write your answer as a fraction or whole number.

solution

Use the data to determine the probability of choosing a red golf ball.

Zane randomly picks 30 golf balls.
He picks a red golf ball 3 times.

Based on the data, the probability of choosing a red golf ball is

which simplifies to

Looking for more? Try these:

Lesson: Probability

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II.5Experimental probability

Lesson: Probability

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