A recent survey found that 5% of IRSC students plan to go on a vacation after graduation. Suppose 5 IRSC students are randomly selected and let a be the number of students that plan to go on a vacation after graduation, out of the sample of 5. Use the binomial probability formula or the binomial probability table to construct the probability distribution of x. Also, use the binomial probability formula or the binomial probability table to construct the cumulative probability distribution of . Round solutions to four decimal places, if necessary. P(x) P(X) 2) =