B$.$ Mark the statements true $($T$)$ or false $($F$).$

$100\mathrm{.}5=5$

$11.$ Verification is the process of determining whether a simulation model is an accurate representation of the system

$12.$ A model is valid for one purpose.

$13.$ Entities $-$ represent customers, parts, messages, paperwork, airplane, etc.

$14.$ Predator and prey model is an example of Discrete simulation.

$15.$ EOQ is the size of order for which the cost of maintaining inventories is minimum.

$16.$ Inventory Management involves process, procedures, and infrastructure to maintain inventory at desired level.

$17.$ A model can only be an approximation.

$18.$ Ordering Cost $(Co)$ is the Cost of keeping an item in the stock.

$19.$ If the server is idle, then the Queue size is one.

$20.$ A model describes the mathematical relationship between the input and the output.

Marks$]$