Suppose tlhe random variable X has mean p and variance o? > 0. What are the vn'ues of the numbers a and b such that a + b.r has mean 0 and variance 17

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A: Here, mean  =50×2 =100 Variance =50×4 =200

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

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A: Given information: The probability density function of the random variable X is as given below:

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A: The x follows exponential with mean is θ. Thus, the variance of X is θ2.

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A: The provided information is: n=81x¯=50y¯=55σ2x=25σ2y=144σxy=34.50

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Q: Suppose s random sample X, X2, ..., X, of size n is taken from a population with p.d.f 1 f(x;0) = e…

A: a. From the given information, fx,θ=1θ+1e-xθ+1, 0&lt;x&lt;∞, θ&gt;-1        =1θ+1e-xθ+1,…

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A: The given values are x¯=10.1,y¯=7.1,sX2=5.5,sY2=6.4,n1=13,n2=19.

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Q: stimator T=X/6 to estimate p. Then variance of T is

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