50 POINTS! The answer is 69.25! PLEASE TELL ME HOW TO GET 69.25. The question is in the picture. Please read carefully!

i dont know sorry

step-by-step explanation:

the answer is 11.2 (i know i’m late)

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 %