) In a multi-user operating system, 20 requests are made to use a particular resource per hour on an average. The probability that no requests are made in 45 minutes is e-15 e-5 1 - e-5 1 – e-10 Correct! Wrong! Disk scheduling involves deciding which disk should be accessed next the order in which disk access requests must be serviced the physical location where files should be accessed in the disk none of the above Correct! Wrong!