document.write( "Question 428698: A bag contains 3 red beads and 5 yellow beads. One bead is removed at random then replaced. This is done three times in total.
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document.write( "Find the probability that:\r
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document.write( "a) Each bead is red
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document.write( "b)Exactly two beads are red and one bead is yellow
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document.write( "c)At least one bead is red \n" );
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Algebra.Com's Answer #297948 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains 3 red beads and 5 yellow beads. One bead is removed at random then replaced. This is done three times in total. \n" ); document.write( "------------------------------- \n" ); document.write( "Find the probability that: \n" ); document.write( "a) Each bead is red::(3/8)^3 \n" ); document.write( "------- \n" ); document.write( "b)Exactly two beads are red and one bead is yellow \n" ); document.write( ":::3C2(3/8)(5/8)^2 = 0.4395 \n" ); document.write( "================================ \n" ); document.write( "c)At least one bead is red:: \n" ); document.write( "1-P(all yellow) = 1-(5/8)^3 \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " \n" ); document.write( " |