Problem $3$

Consider the drone flight fault tree in Figure $2,$ with the corresponding basic event probabilities. Calculate the following risk importance measures for each basic event and give a short interpretation of the result $($use the fault tree related risk definitions$)$:

$\backslash$table$[[$DRONE$-$COL$],[$Quadcooter Drone$]]$

Figure $2$: Fault tree of a drone collision.

a$)$ Birnbaum $(1$p$)$

b$)$ Critical Importance $(1$p$)$

c$)$ Fussell$-$Vesely $(1$p$)$

d$)$ Risk Reduction Worth $(1$p$)$

e$)$ Risk Achievement Worth $(1$p$)$

f$)$ Which component would you improve first and why? $(1$p$)$