Write a rule for the piecewise function.
Please help as soon as possible!!! Only serious answers

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 %

add a pic of the graph, then ill edit this "answer" and solve it for you : 3

step-by-step explanation:

the opening of this porabola is facing up

step-by-step explanation:

b is the correct answer