Question: Define a random variable (r.v.) that assigns a value 1 if the flip of a coin comes out Heads, and 0 if it comes out

Define a random variable (r.v.) that assigns a value 1 if the flip of a coin comes out Heads, and 0 if

it comes out Tails. What are the mean and variance for the r.v. defined as the sum of two fair coins flipped

simultaneously (Heads = 1 and Tails = 0)?

b.What are the mean and variance of the random variable associated with a fair die with 6 faces?

c.What are the mean and variance (separated by comma and space) of a random real number chosen

uniformly at random from the range [a, b]?

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