Suppose that E and F are two events and that N (E and F) = 260 and N(E) = 630. What is P(F|E)?
1 answer:
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V=1/3hpir^2
times 3 both sides
3V=hpir^2
divide both sides by hpi
sqrt both sides
times 3 both sides
3V=hpir^2
divide both sides by hpi
sqrt both sides
We know that y=7x, so we just need tu put it into the 1st equation
So we found x. Now we can find y
Answer:
x=1, y=7; or (1;7)