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Two fair coins are tossed. What is the probability of getting at most one head? (Hint: Create a sample space) 

 Apr 9, 2020
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For this question, getting at most 1 head means either getting 0 or 1 heads. The probability of getting 0 heads is 1/2 * 1/2= 1/4 and the probability of getting 1 head is 1/2 * 1= 1/2. So the probability of getting at most 1 head is 1/4 + 1/2= 3/4

 

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 Apr 9, 2020

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