Find the Specified Probability $\mathrm { P } ( 6 < X \leq 8 )$

Multiple Choice

Find the specified probability.
-Use the special addition rule and the following probability distribution to determine $\mathrm { P } ( 6 < X \leq 8 )$ .
$\begin{array}{cccccccc}\mathrm{X} & 5 & 6 & 7 & 8 & 9 & 10 & 11 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.05 & 0.05 & 0.20 & 0.15 & 0.15 & 0.10 & 0.30\end{array}$

A) $1.00$
B) $0.35$
C) $0.40$
D) $0.45$