Three coins are tossed. Find the probability of at least one head and one tail.
Created: 7 months ago | Updated: 1 month ago
Job Solution Shahjalal Islami Bank Ltd Shahjalal Islami Bank Ltd - Management Trainee Officer - 30.10.2011 গণিত
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The sample space for a simultaneous toss of coins 
 S={HHH,HHT,HTT,THH,TTH,THT,HTH,HHH}
 Favourable cases={HHT,HTT,THH,TTH,THT,HTH}


∴P(getting at least one head, one tail)=6/8=3/4

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