A)(A) A (B) B (C) C (D) DB) C) D)
Answer:(C)
Explanation:
We assume the total time to be ‘t’ units and f1 executes for ‘x’ units.
Since, f1(t) and f2(t) are executed sequentially. So, f2 is executed for ‘t – x’ units.
We apply convolution on the sum of two independent random variables to get probability density function of the overall time taken to execute the program.
f1(t) * f2(t – x) =
Thus, option (C) is correct.
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