Question: Z is a random variable with P( Z = x ) = c(0.9)^x for x = 0, 1, 2, 3....50 and P( Z = x

Z is a random variable with P( Z = x ) = c(0.9)^x for x = 0, 1, 2, 3....50 and P( Z = x ) = 0 for all values of x. What should c be in symbolic form ?

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