The plus-or-minus quantity .12 is called the margin of error of the sample mean associated with a 95% confidence level. It is also correct to say ``we are 95% confident that is within .12 of the sample mean 3.05''. However, .12 is a large number.
DEFINITION of 'Investing'. The act of committing money or capital to an endeavor (a business, project, real estate, etc.) with the expectation of obtaining an additional income or profit. Investing also can include the amount of time you put into the study of a prospective company, especially since time is money.
The traditional definition of capital investment is an investment in property, plant or equipment. Such investments are the essential means by which businesses provide the goods and services to customers.Capital investments are not sold in the course of business but are necessary for ongoing business activities.orking Capital. Do not confuse working capital with capital investments. When you increase your working capital, you are not making capital investments. A capital investment is not an expense made for inventory, cash put into a savings account, or money spent to acquire or increase current assets.