10x=1
_
2x(x+3)
is the answer ,hope its corect and help
3,000 + 800 + 90 + 7 + .003 = 3,897.003
Hope this helps!!!:)
THis is a binomial distribution:-
P( 3 tails) = 15C3 (0.5)^3(0.5)^12
= 0.0139
P(5 tails) = 15C5 (0.5)^5(0.5)^10
= 0.0916
P(3 or 5) = 0.0139 + 0.0916 = 0.1055 Answer