document.write( "Question 1075520: If a fair coin is tossed five times, the probability distribution with respect to the number of heads observed is based on the binomial distribution, with n=5 and p=0.50 find the expected number of heads and standard deviation for the number of heads.\r
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Algebra.Com's Answer #690159 by Boreal(15235) $\"\"$ $\"About$

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E(x)=2.5
\n" ); document.write( "variance is np(1-p)=5*.5*.5=1.25
\n" ); document.write( "sd=sqrt(1.25)=1.12 \n" ); document.write( "

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