document.write( "Question 978981: 51% of men consider themselves professional baseball fans. You randomly pick 10 men and ask each is he considers himself a professional baseball fan. Find the probability that the number who consider themselves baseball fans is
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document.write( " (a) exactly 5
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document.write( " (b) at least 6
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document.write( " (c) less than 4
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Algebra.Com's Answer #600315 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 10 choose 5 * (0.51)^5(0.49^5)=0.2456\r \n" ); document.write( "\n" ); document.write( "10 choose 6*(.51^6)(.49^4)=0.2130 \n" ); document.write( "10 choose 7*(.51^7)(.49^3)=0.1267 \n" ); document.write( "10 choose 8*(.51^8)(.49^3)=0.0494 \n" ); document.write( "10*(.51^9)(.49)=0.0114 \n" ); document.write( "(.51^10)=0.0012 TOTAL IS THE SUM OF THESE 5=0.4017\r \n" ); document.write( "\n" ); document.write( "Probability \n" ); document.write( "0: .49^10=0.0008 \n" ); document.write( "1: 10*(.51)*(.49^9)=0.0083 \n" ); document.write( "2: 45*(.51^2)(.49^8)=0.0389 \n" ); document.write( "3: 120*(.51^3)(.49^7)=0.1080 TOTAL IS 0.156\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |