Problema Solution

Three coins are tossed, calculate the following probabilities: (10)

(i) P (3 tails)

(ii) P (1 heads and 2 tails)

(iii) P (no heads)

Answer provided by our tutors

1. p(3 tails) = 1/2 * 1/2* 1/2 = 1/8

2. p(1 head 2 tail) = 1/2 * 1/2 * 1/2 = 1/8

3. p(no head) = 1/2 * 1/2 * 1/2 = 1/8