Business plan, a good strategy to help pin point the house best fetchers
Answer:

Explanation:
Availability:
It define as the probability of system which perform desired task before showing any failure .
The availability can be define as follows

Or we can say that

Availability can also be express as

Where MTBF is the mean time between two failure.
MTTR is the mean time to repair.
Answer:
0
Explanation:
output =transfer function H(s) ×input U(s)
here H(s)=
U(s)=
for unit step function
output =H(s)×U(s)
=
×
=
taking inverse laplace of output
output=t×
at t=0 putting the value of t=0 in output
output =0