GIVING BRAINLIEST !! - Please don't answer unless you're gonna explain how you got it . I have the answer ( my teacher posted an answer key ) i just need to understand
- id make this worth alot of pts but that'll just draw people to use me for points

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

answer: c

step-by-step explanation

d secondary market mark brainliest