Please explain your answers. Thanks!

Discrete Random Variables (True/False) Question 9 For large n and small p, a Binomial random variable Bin(n, p) can be approximated by a Poisson random variable Poi()), where ) = np. True False Submitted Question 10 If X1, X2, . ..; Xn are independent and identically distributed random variables (i.e., they all have the same distribution), each with standard deviation o, then X = 1 ) En Liz Xi has standard deviation OF = 0. True False Submitted Question 11 Let Xi, for 1