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The round table of astrologists consists of 144 people as

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The round table of astrologists consists of 144 people. As they examine the laws of the stars, they find that it brings good luck to a Capricorn if a Scorpio sits on his/her right. Calculate the expectation and variance of the number X of lucky Capricorns.

Hint: Write X as the sum of indicators.

Reference no: EM13636332

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