Pre-test
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what is the value of y in the equation 6,4x + 2.87 = 44.4. when x= 3?
y = 5
y = 6
v = 8
y=9

10

step-by-step explanation:

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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 %