Consider the system shown below where the reliability of component $1$ is $0\mathrm{.}95,$ the reliability of component $2$ is $0\mathrm{.}94,$ the reliability of component $3$ is $0\mathrm{.}91,$ the reliability of component $4$ is $0\mathrm{.}73$ and the reliability of component $5$ is $0\mathrm{.}76.$