Question

A six-sided number cube is rolled five times, X is the number of times an even number is rolled.

Answer 1

Answer:

It is B.

Step-by-step explanation:

The probability of success of rolling an even number in 1 roll = 3/6 = 0.5. This is a constant and  Probability of failure = 0.5. There are 2 possible outcomes so it is a Binomial Distribution.

Answer 2

Step-by-step explanation:

A six sided die has three even numbers, and each roll is independent, so P(success) is constant at 3/6 = 0.5.  Since it's constant, the variable X does indeed have a binomial distribution.

So the answer is the second one, which you have selected.