document.write( "Question 415832: the experiment is to toss a fair coin three times. THey want me to use the binomial formula to find indicated probablities.
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document.write( "the question is: NO heads were observed \n" );
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Algebra.Com's Answer #291452 by sudhanshu_kmr(1152) You can put this solution on YOUR website! probability that no head were observed\r \n" ); document.write( "\n" ); document.write( "total no. of events = 3\r \n" ); document.write( "\n" ); document.write( "probability of getting head = 1/2\r \n" ); document.write( "\n" ); document.write( "probability of getting tail = 1/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "= 3C3(1/2)^0 (1/2)^3 \r \n" ); document.write( "\n" ); document.write( "= 1*1*1/8 \r \n" ); document.write( "\n" ); document.write( "= 1/8\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you can also use it : \r \n" ); document.write( "\n" ); document.write( "3C0(1/2)^0 (1/2)^3\r \n" ); document.write( "\n" ); document.write( "= 1/8\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |