The probability density function of random variable X is
The standard deviation is
a) .5
b) .25
c) 2
d) 4
Please show work and explain.
here above is a expoential distribution with paramter =0.5
for which std deviaiton ==0.5
option A is correct,
The probability density function of random variable X is The standard deviation is a) .5 b)...
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