A study conducted by the Metro Housing Agency in a midwestern city revealed the following information concerning the age distribution of renters within the city. (Round your answers to four decimal places.) Age Adult Population, % Group Who Are Renters, % 21-44 48 62 45-64 27 38 65 and over 25 65 (a) What is the probability that an adult selected at random from this population is a renter? (b) If a renter is selected at random, what is the probability that he or she is in the 21-44 age bracket? (c) If a renter is selected at random, what is the probability that he or she is 45 years old or older?
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.
A study conducted by the Metro Housing Agency in a midwestern city revealed the following information concerning the age distribution of renters within the city. (Round your answers to four decimal places.)
| Age | Adult Population, % | Group Who Are Renters, % |
|---|---|---|
| 21-44 | 48 | 62 |
| 45-64 | 27 | 38 |
| 65 and over | 25 | 65 |
(b) If a renter is selected at random, what is the probability that he or she is in the 21-44 age bracket?
(c) If a renter is selected at random, what is the probability that he or she is 45 years old or older?
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