Problema Solution
if 7 coins are tossed, in how many ways can it happen that 5 coins fall tails?
Answer provided by our tutors
Probabiltiy of head = probability of tails = (1/2)
Total number of ways in which 7 coins fall tails = 7C5 = 21 ways
if 7 coins are tossed, in how many ways can it happen that 5 coins fall tails?
Probabiltiy of head = probability of tails = (1/2)
Total number of ways in which 7 coins fall tails = 7C5 = 21 ways