![]() Complementary rule: If there are two possible events of an experiment so the probability of one event will be the Complement of another event.Addition rule: Union of two events, say A and B, then,.Complementary Events: The Possibility of only two outcomes which is an event will occur or not, like a person will eat or not eat the food, buying a bike or not buying a bike, etc.One cannot experience the same weather again and again. For example, the climate can be either cold or hot. Mutually Exclusive Events: Events that cannot happen simultaneously are called mutually exclusive events.So, the probability of landing on heads is (1/2) x 100, which is 50. This means that the probability of landing on heads is 1/2. Its widely used in sports like football and tennis, as well. A coin has 2 possible outcomes because it only has two sides (heads or tails). Exhaustive Events: An exhaustive event is when the set of all outcomes of an experiment is equal to the sample space. Coin flipping has been used for centuries as a simple and effective way to make a random decision.For instance, when a coin is tossed, there are equal chances of getting a head or a tail. Here The outcome of one event is independent of the other. Equally Likely Events: Equally likely events are rare events that have the same chances or probability of occurring.Event: An event is the outcome of a random experiment.For example, when a coin is tossed, a head or tail is obtained but the outcome is not sure that which one will appear. Random Experiment: A random experiment is an experiment that has a well-defined set of outcomes.Trial: A trial means doing a random experiment.For example, If two dice are rolled at the same time then the possible or favorable outcomes of getting the sum of numbers on the two dice as 4 are (1, 3), (2, 2), and (3, 1). Favorable Outcome: An event that has produced the required result is called a favorable outcome.For example, the sample space of tossing a coin is head and tail. Sample Space: An experiment together constitutes a sample space for all the possible outcomes.Experiment: An operation or trial done to produce an outcome is called an experiment.Lets take a look at their definitions in details, There are different terms used in probability that are not commonly used normally, terms like experiments, sample space, favourable outcome, trial, random experiment, etc. Draw a tree diagram to calculate the probability of the following events: Getting three Tails. Have students explore the probability that a coin will be heads or tails. ISRO CS Syllabus for Scientist/Engineer Exam Coin flip probability using tree diagram: Example 1: A fair coin is flipped three times. This tool is perfect for probability lessons.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.DevOps Engineering - Planning to Production.Python Backend Development with Django(Live).Android App Development with Kotlin(Live).Full Stack Development with React
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