Generating function for a random variable
The moment generating function for a random variable X is given by Mx(t) = (1/4)+ (3/4)*(1/(1-t)), t>1. Determine formulas for the density function and distribution function. Sketch graphs for fx and Fx.
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We seek evidence against the claim that u = 115. What is the sampling distribution of the mean score x of a sample of 25 students if the claim is true?u=115
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