Question
find the mean,variance and standard deviation for the number of heads when 10 coins are tossed.
Answers
bobpursley
mean=10*1/2=5
variance=10*1/2*1/2=2.5
standard deviation=sqrt2.5=1.58
variance=10*1/2*1/2=2.5
standard deviation=sqrt2.5=1.58