The concept of chance can be demonstrated by tossing coins. It is usually impossible to control whether the coin will land heads up or tails up. That is said to occur by chance. Since there are two possible outcomes, each with a ½ probability, it is expected that when a coin is tossed many times approximately half the tosses will land heads up, and half will land tails up. Toss a single coin 50 times and record the results in Table 1.1. Calculate the expected number of heads and tails to determine the deviation (0-E). Indicate whether each deviation is a positive number or a negative number. If the deviations are small, you can attribute them to chance. If they are large, then you must attribute them to some reason other than chance. Table 1.1 Results of Tossing a Coin 50 Times
Compound Probability
Compound probability can be defined as the probability of the two events which are independent. It can be defined as the multiplication of the probability of two events that are not dependent.
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Probability theory is a branch of mathematics that deals with the subject of probability. Although there are many different concepts of probability, probability theory expresses the definition mathematically through a series of axioms. Usually, these axioms express probability in terms of a probability space, which assigns a measure with values ranging from 0 to 1 to a set of outcomes known as the sample space. An event is a subset of these outcomes that is described.
Conditional Probability
By definition, the term probability is expressed as a part of mathematics where the chance of an event that may either occur or not is evaluated and expressed in numerical terms. The range of the value within which probability can be expressed is between 0 and 1. The higher the chance of an event occurring, the closer is its value to be 1. If the probability of an event is 1, it means that the event will happen under all considered circumstances. Similarly, if the probability is exactly 0, then no matter the situation, the event will never occur.
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