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2n points at equal distances are marked off on a circle. These points are randomly grouped into n pairs and the points of each pair are connected by a chord. What is the probability that each of the n chords constructed do not intersect?

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zubam2002

Answer:

Probability,Pr = n (A)/ n (U) {where n (A)= number of required outcome; n (U)= total number of outcome.

Step-by-step explanation:

Let n be the probability that each cords constructed intersect.

Hence, the probability that each of the n chords constructed do not intersect is n-1

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