A random variable ๐‘‹ has the following probability function Find the value of k and calculate the mean and variance

7 a ] A random variable ๐‘‹ has the following probability function:

xโ€“2-10123
P(x)0.1k0.22k0.3k
A random variable ๐‘‹ has the following probability function Find the value of k and calculate the mean and variance

Find the value of k and calculate the mean and variance

A random variable ๐‘‹ has the following probability function Find the value of k and calculate the mean and variance
A random variable ๐‘‹ has the following probability function Find the value of k and calculate the mean and variance

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