Aveterinary clinic plans to build four identical dog kennels along the side of its building using 210 feet of fencing. (see the picture.) what should be the dimensions of each kennel to maximize the enclosed area? (note: no fencing is needed along the side of the building.)

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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 %