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asked in Statistics by (1.1k points)  
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1 Answer

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answered by (1.1k points)  
 
Best answer

The sample space is 

  • S =  {(H,H),(H,T),(T,T),(T,H)} 

The event is

  • E {(H,H)} 

The probability of the event happening is

  • P(E) = N(E) / N(S) = 0.25
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