Let $X$ be a random variable which assumes values $x_1, x_2, x_3, x_4$ such that$2P(X=x_1)=3P(X=x_2)=P(X=x_3)=5P(X=x_4)\;\text{". "}\;$Find the probability distribution of $X$.ORA coin is tossed 5 times. Find the probability of getting (i) at least 4 heads, and (ii) at most 4 heads.