Number nine asap please

Question 9 (1 point) Consider the following probabilities x 1 . 2 3 4 p(x) 0.25 0.02 - 0.30 The mean u= Exp(x) and variance 02--u)2p(x) of this distribution are: Hint: You need to determine p(3) first. (Please choose the best answer!) Oa) 2.78 and 1.2716, respectively. O b) 2.76 and 1.3024, respectively. O c) 2.72 and 1.3616, respectively. Od) 2.74 and 1.3324, respectively. O e) 2.70 and 1.3900, respectively. MacBook AirConsider the following probabilities X 1 2 3 4 p(x) 0.25 0.02 - 0.30 The mean u= Exp(x) and variance o2-E(x-u)2p(x) of this distribution are: Hint: You need to determine p(3 first. (Please choose the best answer!) O a) 2.78 and 1.2716, respectively. Ob) 2.76 and 1.3024, respectively. O c) 2.72 and 1.3616, respectively. O d) 2.74 and 1.3324, respectively. O e) 2.70 and 1.3900, respectively