a Geometric random variable X has the cumulative distribution function as follows, what is its expectation? P(X ≤k) = 1-0.8k, k = 1,2,3,...

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A: Given f(x)=(3x)(14)x(34)3-x    , x=0,1,2,3

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A: It is given that the mean is 1.5.

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Q: The probability generating function for a random variable X is given by: gx(2) ==z? +10+z20+25 (2)X6…

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Q: II. Let X be a discrete random variable with possible values xi, i=1,2,..., and p(xi)=P(X=xi) is…

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Q: Let X be a geometric distribution function with px(n) = p(1 - p)n-¹. Find the expected value and the…

A: P(X=x)=p(1−p)x−1;x=1,2,3,...

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Q: 2n P(X = n) = c, n= 0,1, 2, .. n! a) c sabitinin değerini bulunuz. b) P(2 s x < 3) =?

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A: HERE CORRECT ANSWER IS D. EXPLANATION IS IN FURTHER STATE

Q: Let X be a random variable that can take values 2, 3, and 5 with probabilities P(X=2)=1/2,…

A: Given  P(X=2)=1/2, P(X=3)=1/4, and P(X=5)=1/4.

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Q: x < 2 1 2<x<3 4. 15 , 33x<4 (b) F(x) = 6. %3D 4sx<5 15 , 55x<6 53x<6 1 x26 2/3

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Q: d) The random variable X has a Poisson distribution such that P(X= 0) = P(X = 1). Calculate P(X= 2).

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Q: In which probability distribution would a random variable XX have E(X)=λE(X)=λ?

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