document.write( "Question 1192236: Many lotteries are based on random draws of numbers. For each set of rules described, determine how many possible different results exist, then find the probability of a player winning if they purchase a single ticket.
\n" ); document.write( "Express all probabilities as decimals, rounded to six places.
\n" ); document.write( "Five numbers are drawn from twenty options; players must match the set of numbers chosen (in any order).
\n" ); document.write( "Possible draw results:
\n" ); document.write( "Probability of winning on 1 ticket:
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Algebra.Com's Answer #824158 by Boreal(15235)\"\" \"About 
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this is 5!/20C5
\n" ); document.write( "=0.00794 is probability
\n" ); document.write( "or (5/20(4/19)(3/18)(2/17)(1/16)*120 (ways they can appear)=0.007740\r
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