Question $42$

For customer $5,$ the time between arrivals and the time of arrival are, respectively,

$3$ and $14$

$5$ and $19$

$5$ and $24$

$4$ and $28$

none of the above

Question $43$

For customer $5,$ the pump and the time needed are, respectively,

$1$ and $5$

$1$ and $6$

$2$ and $8$

$2$ and $6$

none of the above