There are 108 flights from an airport, 20 of which are longer than 3 hours.
1 answer:
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Answer:
<h2> A. ¹²/₅</h2>Step-by-step explanation:
There is no solution for system of equations:
if:
so first, we we need to transform the equations to the form where the coefficients at y will be the same:
Now we have b₁=b₂ and c₁≠c₂ so the system has no solution if a₁=a₂
5k = 12
÷5 ÷5
k = ¹²/₅
Answer:
The sketch is carried out and the probabilities are calculated.
