document.write( "Question 1114340: You claim to have a magic coin that will land on heads whenever you want. Your friend dares you to prove it by tossing 4 heads in a row. Assuming the coin is fair, what is the probability that your magic will fail?\r
\n" ); document.write( "\n" ); document.write( "50%
\n" ); document.write( "62.5%
\n" ); document.write( "75%
\n" ); document.write( "93.75%
\n" ); document.write( "

Algebra.Com's Answer #729299 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
Probability you will succeed is (1/2)^4=1/16
\n" ); document.write( "probability you will fail is 1-(1/16)=15/16=93.75%
\n" ); document.write( "D
\n" ); document.write( "
\n" );