Question

find the probability when 3 coins are tossed simultaneously.

i) at least 2 heads
ii) at most 3 heads
iii) no head

Answer 1

(HHH), (HHT), (HTH), (THH), (HTT), (THT), (TTT)

Answer 2

1)1/6
2)1/9
3)1/9
yea that's it