4.72 Consider the joint probability distribution: 1 Y 0.25 0.25 1 0.25 0.25 a. Compute the marginal probability distributions for X and Y. b. Compute the covariance and correlation for X and Y. C. Compute the mean and variance for the linear function W =X + Y. %D

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A: Let the unknown number be x."Two-thirds of the sum of 36 and the unknown number is 28 . "

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A: Topic = Algebra

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A: Please see the below picture for detailed solution.

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A: ∫x2x3+4 dx Put, x3+4=t⇒3x2+0=dtdx⇒3x2 dx=dt⇒x2 dx=dt3

Q: The total of eight and twice a number

A: