1.

A random variable ′X′ has the following probability distribution: X 1 2 3 4 5 6 7 P(X) k−1 3k k 3k 3k2 k2 k2+k Then the value of k is

Answer»

A random variable X has the following probability distribution:

X 1 2 3 4 5 6 7
P(X) k1 3k k 3k 3k2 k2 k2+k
Then the value of k is


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