If the pattern below follows the rule "starting with four, every consecutive line has a number one more the the previous line." how many marbles must be in the seventh line?

okay wait before i answer, is this for your points on a graph?

kekdkdkccc

so

step-by-step explanation:

kekdkckcldlx

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 %