Solving math problems with conditional probability Posted On : Sep-19-2011 | seen (781) times | Article Word Count : 408 |
Today we are going to learn about the concepts behind Conditional Probability and How it helps to solve math problems. First question arises is that Todd Frazier Jersey , Today we are going to learn about the concepts behind Conditional Probability and How it helps to solve math problems. First question arises is that Marcus Stroman Jersey , what is a probability? It is a way of telling or expressing a knowledge that an event will occur or has occurred. The probability of an event occurring given that another event has already occurred is called a conditional probability. The Mathematical expressions comes with the following equation that an event A occurs Mike Piazza Jersey , given that an event B is already occurred P(B|A) = P(A and B) P(A)
The another method through which we can solve or calculate a conditional probability is Baye's formula . It states that the probability of event B is the sum of the conditional probabilities of event B given that event A has or has not occurred. Mathematical expression for the following is: P(B) = P(B|A)P(A) + P(B|Ac)P(Ac)
And for the two independent events (for event A and event B) the expression is: P(B)P(A) + P(B)P(Ac) = P(B)(P(A) + P(Ac)) = P(B)(1) = P(B) Algebra equation is a mathematical equation in which one or both sides is an algebraic expression. For example 3x + 4y = 7z. A card is drawn from an ordinary deck and we are told that it is black what is the probability that the card is greater than 2 but less than 9. Sol: let A= event of getting card is greater than 2 but less than 9. B= event of getting black card.
Then we have to calculate P(AB). In a Deck 26 are red and 26 are black cards. Among black cards number of possible outcomes are 12 for A Then P(AB) = n(A intersection B)n(B)= 1226 = 612.
Sometimes the expression to form becomes very complicated Darryl Strawberry Jersey , then it is very difficult to solve such type of expression. Various College Algebra solver are available on the Internet. With the help of College Algebra solver we can solve algebra equations in a faster and better manner. It also provides an exact solution for the same. A college algebra solver is a software which can solve our algebra equations in a step by step manner Keith Hernandez Jersey , which helps us to understand the problem in a better and faster manner. It teaches the student that how we can understand the data in a statement and what is the best way to solve the particular problem.
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