what makes a binomial distribution
Binomial Distribution. A binomial random variable is the number of successes x in n repeated trials of a binomial experiment. The probability distribution of a binomial random variable is called a binomial distribution.Suppose we flip a coin two times and count the number of heads (successes).The binomial random variable is the number of heads, which can take on values of 0, 1, or 2.he probability distribution of a binomial random variable is called a binomial distribution. Suppose we flip a coin two times and count the number of heads (successes). The binomial random variable is the number of heads, which can take on values of 0, 1, or 2.