Friday 13 April 2012

Probability and Statistics

In this unit we will learn about Probability in Statistics.  The study of probability was introduced for the study of games and cards.
It includes the study which requires the possibility of certainty and chance. How to Solve Probability Problems ? We say that probability is the concept of study of numerical measures of possibility of any event to occur.  So we say that uncertainty is the measure of not occurrence of the event and the certainty is the possibility of occurrence of the event numerically. More details on this subject.
When we need to find the probability of occurrence of any event, we need to look carefully at the experiment.  We say that an experiment is the operation which can produce well defined outcomes of the collection of the events.  In each trial of an experiment, we observe if it is conducted under same and under ideal conditions, then we observe that the outcomes are not the unique solutions, then  if we pick any one of the random event and take its observation  , then we call it the random experiment conducted to measure the possibility of the occurrence of the  event. We come across so many events in our day to day life, which help us to measure the probability of the event. Example: rolling a dice, tossing a coin, pulling out a card out of the pack of 52 cards. We call all of them as the set of random experiments. They help us to find the numerical value of the probability of the random experiment. You can also play probability worksheets grade 3.
 We must also know the term sample space used in the study of probability. We say that a sample space is the set of all possible outcomes in the random experiment which is represented by the variable “S”


In upcoming posts we will discuss about Multiplication/division as inverse operations and Math Blog on Grade V. Visit our website for information on CBSE previous years 11 physics

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