document.write( "Question 962200: An Easter basket of 25 plastic eggs has ten eggs that have money inside. If 7 eggs are selected at random from the basket, determine the probability that at least one of the seven eggs selected has money inside it? \n" ); document.write( "
Algebra.Com's Answer #588024 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! An Easter basket of 25 plastic eggs has ten eggs that have money inside. If 7 eggs are selected at random from the basket, determine the probability that at least one of the seven eggs selected has money inside it? \n" ); document.write( "---- \n" ); document.write( "Rule:: P(at least one) = 1 - P(none) \n" ); document.write( "------ \n" ); document.write( "Binomial Problem with n = 7 and p(money)= 10/25; p(no money) = 3/5 \n" ); document.write( "Your Problem:: \n" ); document.write( "---- \n" ); document.write( "P(x >= 1) = 1 - P(none of 7 selected has money) \n" ); document.write( "---- \n" ); document.write( "= 1 - (3/5)^7 \n" ); document.write( "--- \n" ); document.write( "= 1 - 0.02799 \n" ); document.write( "---- \n" ); document.write( "= 0.9720 \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |