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Objectives of Watershed Management: Pollution control Minimizing over-exploitation of resources Water storage, flood control, checking sedimentation Wildlife preservation Erosion control and prevention of soil Recharging groundwater to provide regular water supply
A bag contains 3 Green and 9 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
If a coin is tossed 10 times then what is the probability of getting three heads?
A bag contains 10 red books, 7 yellowbooks and 7 greenbooks . 3books are drawn randomly. What is the probability that the
5 coins are tossed together. What is the probability of getting exactly 3 tails?