Subject: Probability and Statistics

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Suppose Four coins are tossed let Y be the random variable representing the number OF tails that occur. Find the probability of the values OF random variable Y Construct the histrogram of Y. Sample, Space = Y =EXAMPLE DATE: Suppose 2 coins are tossed . Let x be the random variable representing the number OF tails that occur. construct the histogram OF X . Sample Space = { HH, HT, TH, TT 3 * = 20, 1, 23 Discrete Probability Distribution or Probability Mass Function. Number OF Heads ( x ) 2 Probability OF ( * ) 2 4 4 0.25 or 25%% 0.50 or 50% 0.25 or 25% Histogram of Probability Distribution of Discrete random variable x. 2/4 Probability OF * D 2 Number OF Tail