Using CER: Why do you think the average ecological footprint is so much higher in the U. S. than developing countries?
Claim:
Evidence:
Reasoning:

Answer is in the file below

tinyurl.com/wtjfavyw

i think it is c, not positive though

step-by-step explanation:

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 %