Ten new computers (each with a distinct serial number) have arrived at division headquarters and are sitting in their individual boxes in the warehouse.An error at the Network Enterprise Center resulted in the wrong configuration for three of those computers, and they will not work.Four computers will be selected at random and delivered to the command group for setup.

3a.How many ways can 4 of the 10 computers be CHOSEN for set up?Please give the numeric answer.

3b.What is the probability that only one of the four selected computers will be configured correctly?

Hint:This also means three of the four computers are not configured correctly.Give the probability to two decimal places, i.e., 0.xx.

3c.What is the probability that NONE of the four selected computers will be configured correctly?

Give thenumerical answerto the probability question (no decimals are needed).

3d.The four chosen computers (each with distinct serial number) have been delivered to the work area.The four employees who are to receive the computers are sitting side by side in the work area.How many ways can the command group ARRANGE the four chosen computers across the work area?Please give the numeric answer.