Question

Three coins are thrown simultaneously 60 times, with to the following frequencies : 3 head-10 times, 2 heads - 5 times, 1 head - 18 times, No head - 27 times. Find the probability of getting 3 heads + getting no heads.

Answer 1

probability of getting3 head and getting no head: favourable outcomes/total outcomes
= 10+27/ 60
=37/60