Please solve this question. quickly

4. Five thousand lottery tickets are sold for $1 each. One ticket will win $1,000, two tickets will win $500 each, and ten tickets will win $100 each. Let X denote the net gain from the purchase of a randomly selected ticket. a) Construct the probability distribution of X b) Compute the expected value E(X) of X. Interpret its meaning. c) Compute the standard deviation o of X