document.write( "Question 293487: suppose a fair coin is tossed 7 times. What is the probability of flipping exactly 2 heads? \n" ); document.write( "

Algebra.Com's Answer #211852 by Edwin McCravy(20056) $\"\"$ $\"About$

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suppose a fair coin is tossed 7 times. What is the probability of flipping exactly 2 heads?
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document.write( "That's a binomial problem.\r\n" );
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document.write( "n = number of trials (tosses) = 7\r\n" );
document.write( "x = number of successes required = 2\r\n" );
document.write( "p = probability of one success in one trial (toss) = \r\n" );
document.write( "q = 1-p = 1 -  = \r\n" );
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document.write( "Edwin

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