QUESTION 8 Suppose that X is a binomial random variable with parameters n=20 and p=0.7. Choose a wrong statement about the random variable X. O a. The expected value of X is 14. O b. The variance of X is 4.2. O C. The maximum possible value of X is 20. O d. pr(X= 19) + Pr(X= 1) = 1 O e. The minimum possible value of X is 0