Question

an experiment consists of 4 tosses of a coin.denoting the outcomes HHTH,THTT,..and assuming that all 16 outcomes are equally likely, find the probability distribution for the total number of heads.

Answer 1

Denote all the outcomes. Count the number of of outcomes with 0 heads, 1 head, 2 heads, 3 heads and 4 heads. Graph the probability distribution from that data.