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Probability of picking multiple shapes from multiple bags

Teaching Transcript

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What is the probabilty of picking one red triangle from each bag?

Since we need one from each bag, we multiply the probabilities of each bag.

The first bag has a 3 out of 5 chance of picking a red triangle.

And the second bag has a 2 out of 4 chance.

So let's multiply 3 over 5, by 2 over 4. We get 6 over 20, which is 0.3, or 30% chance.

This math skill teaches how to calculate the probability of selecting a specific item (a red triangle) from each of multiple bags. To compute the overall probability, one multiplies the individual probabilities of selecting the item from each bag.

Skill Practice

Probability of picking multiple shapes from multiple bags

Test your understanding of probability of picking multiple shapes from multiple bags by practicing it! Work through the below exercises to use it in practice.