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Is the answer is 0.32?

 

 Jun 4, 2020
edited by Mathisgood  Jun 4, 2020
 #1
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Yes, the answer is 0.32.

This is because the probability for 1 shoe in the closet is 0.12, and the probability for 2 shoes in the closet is 0.2.

Add those chances up and you get 0.32 as the probability that a teenager has fewer than 3 shoes in their closet.

 Jun 4, 2020

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