MD has a new type of scratch

$-$

off ticket for $

$11$

$$to win one of:

$14$

$$prizes of $

$11$

$9$

$$small prizes of $

$35$

$2$

$$large prizes of $

$400$

$1$

$$grand prize of $

$40$

$,$

$000$

Once they've sold

$8$

$,$

$000$

$$tickets$,$ they will select the winning tickets.

What value should be in the shaded box in the contingency table below?

Win:prize

$/$

$$Probability P

$($

x

$)$