document.write( "Question 300923: A penny, a nickel and a dime and a quarter are tossed. What is the probability of obtaining at least three heads? \n" ); document.write( "
Algebra.Com's Answer #215828 by Fombitz(32388)\"\" \"About 
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There are 16 possible outcomes.
\n" ); document.write( "H H H H
\n" ); document.write( "H H H T
\n" ); document.write( "H H T H
\n" ); document.write( "H H T T
\n" ); document.write( "H T H H
\n" ); document.write( "H T H T
\n" ); document.write( "H T T H
\n" ); document.write( "H T T T
\n" ); document.write( "T H H H
\n" ); document.write( "T H H T
\n" ); document.write( "T H T H
\n" ); document.write( "T H T T
\n" ); document.write( "T T H H
\n" ); document.write( "T T H T
\n" ); document.write( "T T T H
\n" ); document.write( "T T T T
\n" ); document.write( "The total number of outcomes that have 3 heads or 4 heads is (4+1=)5 outcomes.
\n" ); document.write( "P(>2 heads)=5/16. \n" ); document.write( "
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