If the variance of a poisson variate is 3. Find the probability that X = 0 i) i) ii) 0

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A: We know that, Var(X2)= E(X4)-(E(X2))2 Given that X~exp(12.21) So E(X)=1/lembda 1/12.21 And…

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Q: Let X be ar.v with p.d.f f(x) =e-lal - o <x< 0, then the value of variance of X is ---------

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Q: 1. If the random variable X from a distribution with mean 50 and variance 10 and y = 0.8x + 15. Find…

A: It is an important part of statistics. It is widely used.

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A: For the given random variable X, its pdf is

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A: Given: X has a Poisson distribution with h = 80.

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A: Given that, h= 80  It means that  Mean= 80 which is greater than 10. So normal approximation is…

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Q: normally distributed

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Q: 3. Suppose that X has a Poisson distribution with h= 80. Find the probability PCX< 70) based on the…

A: Here use normal approximation with continuity correction factor

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