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Find expected value of the random Variab...

Find expected value of the random Variable X whose probability mass function is `X=x,1,2,3
P(X=x) 1/5,2/5,2/5`

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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- FEBRUARY 2020-All Questions
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  2. Solve the differential equation (dy)/(dx)=x^2y+y

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  3. Find expected value of the random Variable X whose probability mass fu...

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  4. If y= xlogx, then find (d^2y)/(dx^2)

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  5. State the converse, inverse and contrapositive of the conditional stat...

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  6. Show that : sin^(-1)(8/(17))+sin^(-1)(3/5)=sin^(-1)(77/85)

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  7. Show that the points A(2,1, -1), B(0, -1, 0), C(4, 0, 4) and D(2,0,1) ...

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  8. If triangleABC is right angled at B , where A(5,6,4), B(4,4,1) and C(8...

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  9. Find the equation of the line passing through the point (3,1,2) and pe...

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  11. If e^x+e^y = e^(x+y), show that (dy)/(dx) = -e^(y-x)

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  13. Find the apporximate value of e^(1005): given e= 2.7183

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  14. Evaluate: int (x^2tan^(-1)x^3)/(1+x^6) dx

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  15. Solve the differential equation (dy)/(dx)+y = e^(-x)

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  16. If f(x)= kx, 0 lt x lt 2 = 0 otherwise, is a probability density funct...

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  17. Show that a homogeneous equations of degree two in x and y , i.e., ax...

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  18. Solve the following linear programming problem: Maximize : z=150x+250y...

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  19. Solve the following equations by inverse method : x + 3y + 3z = 12, ...

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  20. In triangle ABC, if a+b+c = 2s, then prove that sin(A/2) = sqrt(((s-b)...

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