Suppose identical tags are placed on both the left ear and the right ear of a fox. The fox is then left loose for a period of time. Consider the two events C1 = { left ear tag is lost } and C2 = { right ear tag is lost }. Let π = P(C1) = P(C2), and assume C1 and C2 are independent events. Derive an expression (π ) for the probability that exactly one tag is lost, given that at most one is lost ( " Ear Tag Loss in Red Foxes," J. Wildlife Mgmt., 1976: 164-167). [ Hint : Draw a tree diagram in which the two initial branches refer to whether the left ear tag was lost.]
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.
Tree diagram
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.
Suppose identical tags are placed on both the left ear and the right ear of a fox. The fox is then left loose for a period of time. Consider the two
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