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The computer is a system of hardware devices organized according to the following system functions: Input. The input devices of a computer system include keyboards, touch screens, pens, electronicmice,optical scanners, and so on.They convert data into electronic machine-readable form for direct entry or through telecommunications links into a computer system. Processing. The central processing unit […]

The normal distribution is very important in statistical inference. We should realize, however, that it is not a natural law that we encounter each time we analyze a continuous random variable. The normal distribution is a theoretical or ideal, distribution. No set of measurements conforms exactly to its specifications. Many sets of measurements, however, are […]

We now come to the most important distribution in statistics—the normal distribution. The formula for this distribution was first published by Abraham de Moivre (1667-1754) in 1733. Other mathematicians linked with the history of the normal distribution are Pierre Simon, Marquis de Laplace (1667-1754) and Carl Friedrich Gauss (1777-1855), in whose honor it is sometimes […]

Revenue Revenue is the price of goods sold and services rendered during a giver accounting period. Earning revenue causes owner’s equity to increase. When a business renders services or sells merchandise to its customers, it usually receives cash or acquires ar account receivable from the customer. The inflow of cash or receivable from customers increases […]

Assets are economic resources which are owned by a business and are expected to benefit future operations. Assets may have definite physical form, as do buildings, machinery, and an inventory of merchandise. On the other hand, some assets exist not in physical or tangible form but in the form of valuable legal claims or rights; […]