COINS BASED PROBLEM
Q.
8 coins are tossed simultaneously. Find the probability of getting at least 1 head.
Sol:
Given that 8 coins are tossing simultaneously
∴ n = 8
∴ The probability of getting at least one head is p (x ≥ 1) = p (x = 1) + p (x = 2) + p (x = 3) -----