The CPU time requirement X

Question : The CPU time requirement X of a typical job can be modelled by the following distribution

= + , where , and

Compute

i) probability density function of X

ii) the mean service time

iii) Plot the distribution function and the density function of X.

Some more info about plotting on the grap

Quote:

Originally Posted by

**mr fantastic** Go back and revise your basic definitions.

You've been given the cdf:

.

i) By definition: pdf

.

ii) By definition: mean

iii) Either use a graphics calculator or an on-line plotting program.

Mr fantastic could u please provide me with some link where i could understand how to plot the density and distribution function on the graph....