(✰✰✰✰) A certain random variable X has a Gamma distribution with scale parameter b and shape parameters ẞ and s. This intimidating technical statement simply means that Pr(X < 0) = 0 and, for every real x > 0, Pr(X < x) = 1 88 (ẞB-1+ ebx)s (We assume that b > 0, ẞ > 0, and s > 0.) Assuming for simplicity that ẞ = 2, find the probability density p(x) for X. A piecewise answer is expected. Answer: p(x) = p(x) = = for x < 0, for x ≥ 0.
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- Let Var(X) = 25 and Z= 2X + 5 Compute Var (Z)Technology B uses 4 workers and 2 tonnes of coal to produce 100 meters of cloth. The worker's wages cost $10 and coal costs $5. We have previously calculated that the total cost of production is $50 and that the vertical intercept of the isocost line is 10.If there was a technology that used 1 more worker, how much would it have to decrease the coal required in order to cost the same? (Note: this is the absolute value of the slope of the isocost line.)Find f'(x). T(x) = 2x° (x* - 2) 5 f'(x) =O
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