5. The probability distribution of the discrete random variable X is f(x) = x = 0,1, 2,3. Find the mean of X.

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A: f(x)=ce(5−2x); 0.5< x< 2.5

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Q: 6. The pH water samples from a specific lake is a random variable X with probability density…

A: a) fx=387-x2, 5≤x≤7 EX=∫57xfxdx       =∫57x*387-x2dx      =38*443      =112

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Q: given the probability function p(x)= 5-x/ 10 for x=1,2,3,4 find the mean and standard deviation

A:

Q: P(56<X<68) assume that the random variable X is normally distributed with mean is 50 and…

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A: a)

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Q: Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

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Q: . B. (on a paper) A random variable x has this probability distribution: 1. Find p(4).  2. Find the…

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A: X follows Binomial distribution: X ~ Binomial( n, p)

Q: 5. Let X₁, X₂,..., X100 be the weights of 100 bales of hay. Assume that the random variables are…

A: Introduction:

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Q: Let x be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A: Given that n=6

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A: It is an important part of statistics. It is widely used.  In this context we shall use the central…

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