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Anuta_ua [19.1K]
2 years ago
8

noel left home at twenty minutes to six and arrived at work twenty minutes past seven how long was his journel to work

Mathematics
1 answer:
Sati [7]2 years ago
4 0

Answer:1 hour

Step-by-step explanation:

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Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(B)}=Pr(A),\\ \\ Pr(B|A)=\dfrac{Pr(A\cap B)}{Pr(A)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(A)}=Pr(B).

Now in your case Pr(A)=x,\ Pr(B)=y and Pr(A|B)=x,\ Pr(B|A)=y, Pr(A\cap B)=x\cdot y.

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