document.write( "Question 1191269: Mr. Keller filled out a bracket for the NCAA National Tournament. Based on his knowledge of college basketball, he has a 0.58 probability of guessing any one game correctly.\r
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document.write( "What is the probability Mr. Keller will pick all 32 of the first round games correctly?\r
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document.write( "What is the probability Mr. Keller will pick exactly 4 games correctly in the first round?\r
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document.write( "What is the probability Mr. Keller will pick exactly 22 games incorrectly in the first round? \n" );
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Algebra.Com's Answer #823103 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! a. This is 0.58^32=2.7 x10^(-8) \n" ); document.write( "b. This is 32C4*0.58^4*0.42^28 by the binomial formula=1.15*10^(-7) \n" ); document.write( "c. This issue 32C10*0.58^10*0.42^22=0.0814 \n" ); document.write( "The mean is 32*0.58=18.56 games correctly \n" ); document.write( "The variance is 18.56*0.42=7.80 \n" ); document.write( "sd is sqrt(V)=2.80 \n" ); document.write( " |