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Posted: **Wed May 11, 2022 8:29 pm**

: 2 Let X1 X2 X3 Be Independent Normally Distributed Normal U 02 Random Variables A Find The Moment Generating Fun 1 (108.3 KiB) Viewed 24 times

= 2. Let X1, X2, X3 be independent normally distributed Normal(u,02) random variables (a) Find the moment generating function of Y X1 + X2 – 2X3 (3 marks) (b) Find Prob(2X1 < X2 + X3) (3 marks) (c) Find the distribution of s? /o2 where s2 is the sample variance (4 marks)