Question

If a fair coin is tossed 10 times, find the probability of
(1) exactly six heads, (ii) at least six heads (iii) at most
six heads.
(Chp.13)​

Answer 1

• exactly six heads =10!/4!6!
• =10*9*8*7*6*5*4*3*2*1/4*3*2*1*6*5*4*3*2*