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ABCDEFGH is an octagon. Two vertices of the octagon are selected at random. Find the probability that these vertices for

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by VJesus12 » Sun Dec 27, 2020 7:32 am

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A

B

C

D

E

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ABCDEFGH is an octagon. Two vertices of the octagon are selected at random. Find the probability that these vertices form a diagonal of the octagon.

A. \(\dfrac17\)

B. \(\dfrac27\)

C. \(\dfrac37\)

D. \(\dfrac47\)

E. \(\dfrac57\)

Answer: E

Source: e-GMAT
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