a program is divided into 3 blocks that are being compiled on 3 parallel computers. each block takes an exponential amount of time, 5 minutes on the average, independently of other blocks. the program...

a program is divided into 3 blocks that are being compiled on 3 parallel computers. each block takes an exponential amount of time, 5 minutes on the average, independently of other blocks. the program is completed when all the blocks are compiled. compute the expected time it takes the program to be compiled.