Asix-sided number cube is rolled five times, x is the number of times an even number is rolled.

which statement is true about this situation?

a. the variable x does not have a binomial distribution because p(success) is not constant.

b. the variable x has a binomial distribution. p(success)=0.5; number of trials = 5

c. the variable x does not have a binomial distribution because there are more than two possible outcomes.

d. the variable x has a binomial distribution. p(success)=0.2; number of trials = 5