Distribution of location for two elevators

Elevator $2$

Location

$\backslash$table$[[,,1,2,3],[,1,0\mathrm{.}25,0\mathrm{.}08,0\mathrm{.}14],[$Elevator $1,2,0\mathrm{.}07,0\mathrm{.}1,0\mathrm{.}07],[$Location$,3,0\mathrm{.}16,0\mathrm{.}08,0\mathrm{.}05]]$

$($a$)P($Both elevators are not stationed on the same floor$)=$

$($b$)$ Elevator $2$ is located on floor $3$