Answer:
k = 3
Explanation:
K independent file servers
Average "uptime" of each server = 98%
<u>To achieve 99.99% probability by the intranet </u>
given that each server has an uptime = 98%
For the intranet to achieve 99.99% probability we have to choose more than 2 servers ( i.e. 3 servers ) incase any of the server goes down.
As each server posses an uptime of 98% it is almost impossible for all 3 servers to go down at the same time hence value of K = 3