A survey of grocery stores in Eastern Canada revealed that 40% had a pharmacy, 50% had a floral shop, and 70% had a deli. Suppose 10% of the stores have all three departments, 30% have both a pharmacy and a deli, 25% have both a floral shop and a deli, and 20% have both a pharmacy and a floral shop.
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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a) Find the
B)Find the probability that a grocery store has a pharmacy given that it has floral shop
c) Find the probability that the shop has a deli given that it has a pharmacy
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