document.write( "Question 604816: What is the probability of obtaining at least one head in 3 flips of a coin? \n" ); document.write( "
Algebra.Com's Answer #381424 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! What is the probability of obtaining at least one head in 3 flips of a coin? \n" ); document.write( "------------- \n" ); document.write( "At least one head = not all tails \n" ); document.write( "Prob of all tails = (1/2)*(1/2)*(1/2) = 1/8 \n" ); document.write( "---- \n" ); document.write( "1 - 1/8 = 7/8 \n" ); document.write( " \n" ); document.write( " |