Calculate how many average minutes the web server is unavailable a year if the availability is 99.9%.

Correct answer:

x =  525.6 min

Step-by-step explanation:

q=100%99.9%=110099.9=0.00099999999999989 h=365 24=8760 h  x=q h 60=0.001 8760 60=525.6 min

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