Part 1 (3 pts) - Write an Excel formula to sample a random variable from a random number U uniform [0,1] for the following situations. 1. Simulating the number of members in families as they arrive at the service line at the movie theater. The size of each family follows the following probabilities 2. Simulating the average test score of students which follows a normal distribution XNormal(81,27). Be sure to account for the fact that students cannot earn more than 100% or below 0%. 3. Simulating the exponential interarrival times, which are Xexp(0.5 customers per minute)