maths
posted by Anonymous .
find the mean number of heads in 3 tosses of a fair coin?

HTT
HHt
HHH
TTT
mean= total/ways=6/4=1.5
posted by Anonymous .
find the mean number of heads in 3 tosses of a fair coin?
HTT
HHt
HHH
TTT
mean= total/ways=6/4=1.5