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1. What is the probability of tossing two coins and having them both show heads?

 Apr 14, 2020
 #1
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These are the four possibilities:  H-H,  H-T,  T-H, T-T.

 

One of these possibilities has two heads, so the probability is 1/4.

 Apr 14, 2020
 #2
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two coins tossed can wind up    h h      ht    t h   t t     1/4 chance of  h h

 Apr 14, 2020

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