document.write( "Question 388089: You toss a fair 6-sided die 5 times.find the probability that a three is rolled exactly two out of the five rolls.
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Algebra.Com's Answer #274408 by edjones(8007)![]() ![]() You can put this solution on YOUR website! The probability that it is rolled on a single roll is 1/6 \n" ); document.write( "x=1/6 and y=5/6 \n" ); document.write( "(x+y)^5 We want the 4th term, x^2y^3 \n" ); document.write( "To find the coefficient use nCr=n!/((n-r)!*r!)=5C3=10 \n" ); document.write( "10x^2y^3=.16 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |