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Two thousand tickets are sold for ₱20. 00 each. One ticket will win ₱10,000. 00, two tickets will win ₱5,000. 00 each and three tickets will win ₱1,000. 00 each. Let X

denotes the net gain from the purchase of a randomly selected ticket.

a. Construct the probability distribution of X.

b. Find the probability of winning any amount in the purchase of one ticket.

c. Find the expected value of X, then interpret.
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