(1)X is a discrete random variate having probability mass function: x 0 1 2 3 4 5 6 7 P(X= x ): 0 k 2k 2k 3k k2 2k2 7 k2 +k (i) Determine the constant k ; (ii) Find P (x < 6); (iii) What will be P (x  6);

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