Suppose that a random variable X has the following moment generating function, Mx (t) = (1-9t)−7, t< < 1/1. (a) Find the mean of X. (b) Find the variance of X.

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Q: the answer for question (c) that's what I asked

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A: Solution:- from given information Suppose that Z is a normal random variable

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Q: 2 What is the value of S to 2 decimal places if X is 1 and S $² is 9?

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A:

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A: From the provided information, A fair sided coin is tossed. Total outcomes = 2 (Heads, Tails)

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A: n=6x= no. of successes=4p=0.4q=1-0.4=0.6p(X=x)=nCx*px*qn-x (binomial distribution)

Q: WHAT IS IT AS A FRACTION FOR EACH ANSWER FOR PART B

A: as you need i gives answer in fraction from previous solution

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