document.write( "Question 805455: A brand name has an 80% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of 5 randomly selected consumers, find the probability that exactly 4 of the 5 consumers recognize the brand name. Also find the probability that the number who recognize the brand is not 4. \n" ); document.write( "
Algebra.Com's Answer #485227 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A brand name has an 80% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of 5 randomly selected consumers, \n" ); document.write( "---------------------- \n" ); document.write( "Binomial Problems with n = 5 and p(recognize) = 0.8 \n" ); document.write( "------ \n" ); document.write( "Find the probability that exactly 4 of the 5 consumers recognize the brand name. \n" ); document.write( "P(x = 4) = 5C4(0.8)^4*(0.2) = binompdf(5,0.8,4) = 0.4096 \n" ); document.write( "---------------------------\r \n" ); document.write( "\n" ); document.write( "Also find the probability that the number who recognize the brand is not 4. \n" ); document.write( "P(x # 4) = 1 - 0.4096 = 0.5604 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " \n" ); document.write( " |