document.write( "Question 352191: In how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to choose from and the committee must consist of at least 1 cat? \n" ); document.write( "
Algebra.Com's Answer #251697 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Hi, \n" ); document.write( "*Note: The probability of x successes in n trials is: \n" ); document.write( ". \n" ); document.write( "P = nCx* \n" ); document.write( ". \n" ); document.write( "nCx = \n" ); document.write( ". \n" ); document.write( "Question states p(dog drawn) = 10/25 0r .4 and q (cat drawn) = .6 \n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( "Probability (At least 1 cat) = 1 - P(no cats) \n" ); document.write( "P(no cats) \n" ); document.write( "7C7 = \n" ); document.write( ". \n" ); document.write( "P(no cats) = \n" ); document.write( ". \n" ); document.write( "1 - P(no cats) = .9983 \n" ); document.write( " |