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A random variable X has the following probability distribution: k-2-101 P(X=k) 0.10.20.5 1)Find the missing probability, i.e., P(X=1). 2)What is the probability that X is

A random variable X has the following probability distribution:

k-2-101

P(X=k) 0.10.20.5

1)Find the missing probability, i.e., P(X=1).

2)What is the probability that X is negative, that is less than 0?

3)What is the expected value (the mean) of X?

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