2. Johnny has a large rectangular backyard. The measurements are 40 m x 20 m. he has run a clothesline diagonally. How much line will he need?

something over 10 so ? /10

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 %

3

step-by-step explanation: