probability i summary

Summary - The Arithmetic mean is obtained by dividing the sum of all the items in the list by the total number of items. Direct method M = Where x is mid-interval f is frequency M is mean Short cut method where A = assumed mean d = x - A Step deviation method Where i = class si..

Summary - The fundamental principle of counting (F.P.C) states that if an operation can be performed in m different ways and if for each such choice, another operation can be performed in n different ways, then both operations, in succession can be performed in exactly mn different ways. ..

Earth is said to have been formed about4.8 billion years ago. Earliest earth was a hot revolving ball of gas. The formation of first cells in planet earth is explained by the theory of chemical evolution proposed by Oparin and Haldane, independently. According to this theory, the reducin..

. They searched for the scorpion with candles and lanterns. They clicked their tongues that the mother's sufferings may decrease "the misfortunes of her next birth". They also prayed that the sum of evil may be balanced in this unreal world against the sum of good that she had done. They prayed tha..

. He gave up his old ways and instead made daily trips to the post-office, waiting eagerly for a letter from Miriam. He would be lost in the admiration of the green fields and would reflect deeply about life. He then came to the conclusion that the whole universe is built up through love and that g..

Summary - "The Letter" is a touching story of an old man who is all alone and waits for his only daughter's letter for five long years. He receives that letter only at his grave but for that he pays a price. While living a lonely, morbid life, he undergoes some strange experiences of life..

Summary - Biology is a branch of science that deals with the study of life. Hence, it is also called life science. The simple curiosity of human beings to observe nature and the human basic instincts for survival and gathering food probably had a role in the birth and developmen..