In: Statistics and Probability
The velocity of a particle in a gas is a random variable
X with probability distribution
fX (x)  = 
32 x2 e−4x ,
x>0. The kinetic energy of the particle is (1/2)
mX 2.  Suppose that the mass of the particle is
64 yg. Find the probability distribution of Y. (Do not
convert any units.) Please explain steps. I do not understand how
to solve this kind of question. Thank you! :)
Answer:-
Given That:-
The velocity of a particle in a gas is a random variable
X with probability distribution
fX (x)  = 
32 x2 e−4x , x>0. The kinetic energy
of the particle is (1/2) mX 2.  Suppose that the mass of
the particle is 64 yg. Find the probability distribution of
Y. (Do not convert any units.)
Given,
C.D.F 


  

Where  
= cdf of X, m = 64 yg, y > 0
pdf probability density function:


Therefore,

  
Thus the probability distribution of Y :

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