Consider the following exponential probability density function.f$($x$)=13$ex$/3$ for x $0($a$)$Write the formula for P$($x x$0).($b$)$Find P$($x $2).($Round your answer to four decimal places.$)($c$)$Find P$($x $3).($Round your answer to four decimal places.$)($d$)$Find P$($x $5).($Round your answer to four decimal places.$)($e$)$Find P$(2$ x $5).($Round your answer to four decimal places.$)$