Answer
$\dfrac{1}{10}$ or, $10 \%$
Work Step by Step
We need to solve the inequality.
$5 \leq 11-6x $
or, $6x \leq 6 \implies x \leq 1$
The probability $P$ is the ratio of the distance between $0$ and $1$ to the total distance:
$P=\dfrac{|10-1|}{10}=\dfrac{1}{10}$ or, $10 \%$