Acomputer network manager wants to test the reliability of some new and expensive fiber-optic ethernet cables that the computer department just received. the computer department received 4 boxes containing 30 cables each. the manager does not have the time to test every cable in each box. the manager will choose one box at random and test 6 cables chosen randomly within that box. what is the population of interest?
a. 120 cables
b. b. 60 cables
c. the one box that was chosen at random from the 4 boxes
d. the 4 boxes
e. the 6 cables chosen randomly for testing