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LetXbe a continuous random variable with densityf(x) ={3eāˆ’3x,whenx >0,0,elsewhere.(a) Verify thatfis a density function.(b) CalculateP(āˆ’1< X <1).(c) CalculateP(X <5).(d) CalculateP(2< X <4|X <5).(e) Find the cumulative distribution function ofX.(f) Find theEXandEe2X.(g) Find the variance ofX.

Respuesta :

thompsonlewis046

Answer:

7

Step-by-step explanation:

Explanation:

Length(l), breadth and height of cube are of same measure.

Volume of cube of length

l

is

v

=

l

3

;

v

=

216

āˆ“

l

3

=

216

or

l

=

3

āˆš

216

=

6

cm , therefore,

Length of three dimensions of the cube is

6

cm. [Ans]

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