Could someone help me with this please? Plain math is sufficient, it doesn't have to be in Haskell. I just really don't know how to do this. Thanks

Consider a computing system with the following component structure: | -->-----ID |-- +-->-- 1 -+-->--1 | -->--+--ld / 1 / |-+--->--18 | -->-- 1 1 +-->-- 1 ---- f a) Assuming that failures are independent, derive a formula for the reliability of the system. You can write down the formula in either plain math or as a function definition in Haskell. Consider a computing system with the following component structure: | -->-----ID |-- +-->-- 1 -+-->--1 | -->--+--ld / 1 / |-+--->--18 | -->-- 1 1 +-->-- 1 ---- f a) Assuming that failures are independent, derive a formula for the reliability of the system. You can write down the formula in either plain math or as a function definition in Haskell