Answer:

1. A Random Variable is a set of possible values from a random experiment. Random variables are very important in statistics and probability and a must have if any one is looking forward to understand probability distributions.

2.Step 1: List all simple events in sample space.

Step 2: Find probability for each simple event.

Step 3: List possible values for random variable X and identify the value for each simple event.

Step 4: Find all simple events for which X = k, for each possible value k.

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