A market research team compiled the following discrete probability distribution.In this distribution x represents the number of automobiles owned by a family. 
The mean (average) value of x is ___.
Definitions:
Net Income
The net income of a company, which is the amount left over from revenue after deducting all costs and taxes.
Service Revenues
Income earned from providing services as opposed to selling physical goods.
Dividends
Payments made by a corporation to its shareholder members, distributing earnings.
Common Shares
Shares in a company that signify ownership, allowing those who hold them to participate in voting and receive a part of the profits.
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