Suppose that a grocery store purchases 4 cartons of skim milk at the wholesale price of $1.00 per carton and retails the milk at $1.50 per carton. After the expiration date, the unsold milk is removed from the shelf and the grocer receives a credit from the distributor equal to three-fourths of the wholesale price. The grocer is not penalized for any product shortage. Given the probability distribution of the random variable X, the number of cartons that are sold from this lot is as follows: 2 3 4 f(x) 1/15 2/15 2/15 3/15 4/15 3/15 Construct the cumulative distribution function of f(x) b. How many cartons are expected to be sold? a. What is the expected profit of the grocer? d. Calculate for the standard deviation of the grocer's profits. C.
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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