let X be a random variable and X-B(9,0.49) find the mean (expected value) of the random variable X

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

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Q: fua (1,894 |(-x),0 +0,2 ='7 2. What is the expected value and variance of the random variable y?

A: Expected value of X is given by, E(x)= integration|xx*f(x)dx = Integration|00.6 x*1.894*(1-x2)dx =…

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A: Solution: From the given information, the probability function of X is

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Q: Find the expected value of x

A: Expectation is a concept in probability. It is similar to mean.

Q: Let X be a random variable with expected value 2, and let Y be a random variable with expected value…

A: Recall:      Let X and Y be the random variable with expected values  then…

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Q: Hello. Can this problem be explained to me? Thanks.

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Q: let X be a random variable and X~B(9,0.55) find the mean (expected value) of the random variable X

A: Given : X ~ B(9,0.55) If X ~ B(n,p) then,  Mean : E(X) = n*p Here, n = 9 p = 0.55

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Q: Please calculate the expected values, E(X) and E(Y), for the two random variables.

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Q: e) Mean of the random variable X.

A: Given: probability distribution of X and we need to find the mean of X

Q: calculate the expected value of X.S

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Q: A normally distributed random variable X with variance o-256 and POD 130)-0.9251. Then the mean of X…

A: Given information: σ2=256 P(X>130)=0.9251

Q: VAX be a normally distributed random variable with variance of 121 such that P(X > 35) 0.0212, then…

A: Givenx be normally distributedP(x>35)=0.0212variance(σ2)=121standard deviation(σ)=121=11

Q: Using the pdf file f (x) x | A; Find the expected value and the variance of the random variable Y,…

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Q: Example 24: Let X is a normal random variable denoted by N (0, ơ). Let Y=X*. Find the expected value…

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Q: Let the random variable X denote the age of a female groundhog, and let the random variable Y denote…

A: Farmula used  Cov(X,Y)=E(XY)-E(X)E(Y) Correlation=Cov(X,Y)/(sd(X)xsd(Y)) note  Correlation value lie…

Q: The continuous random variable Y

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Q: Let a random variable X have the tn distribution. What is the distribution of X2? Select one: O a.…

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Q: Find the expected value and variance of F

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Q: a. Determine b. Determine the expected the expected value of x value of Y

A: EX=∫01X*g(X)dx=∫X2XX+13dx=∫2X2X+13dx=∫2X3+2X23dx=2X4401+23X3301=12+29=0.722

Q: What is the Expected Value of X?, E(X2)?

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Q: Let the random variable X be normally distributed with mean 6 and variance 4. (A) Find the…

A: Given data: Mean = 6 Variance = 4 Thus, Std. Dev = sqrt(variance) = sqrt(4) = 2