If

$$

$1$

$,$

$$

$2$

$$and

$$

$3$

$$are average packet arrival rates of

three data streams

$$

$$is the average delay a packet suffers in the

network

$$

$$is the number of packets in the network

The average packet delay will be given by:

a

$)$

$$

$$

b

$)$

$$K

$/$

$($

$\{$

:

$$

$1$

$+$

$$

$2$

$+$

$$

$3$

$)$

c

$)$

$$

$$

$$

Three streams of

$3$

$0$

$0$

$,$

$3$

$0$

$0$

$$and

$4$

$0$

$0$

$$packets

$/$

second arrive in the

network. At any given time there are on an average

$5$

$0$

$0$

$0$

$$packets in the

network

What is the average delay for any packet?