Read bot stop answering my question no link no bot fast but wrong

Step-by-step explanation:

First Sheet, First Question

1) D

2) D

3) B

4) D

First Sheet, Second Question

a) SQR 16

b) 7/8, sqr -42

c) 3.692, 4 pie, sqr 1/4

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 %

the answer to your question is b.