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A coin is tossed 5 times. Let X be the random variable denoting the number of heads minus the number of tails. What is the

A coin is tossed 5 times. Let X be the random variable denoting the number of heads minus the number of tails.

  1. What is the range of X?
  2. What is the distribution over X?
  3. What is the expected value of X?

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