Let the function whose graph is shown be a probability density function.Calculate the mean. 
Definitions:
Currency
The system of money in general use in a particular country, or the state of being current or up-to-date.
Format
The arrangement, design, or organization of data according to a specified structure or set of conventions, often applied in text documents, spreadsheets, and databases.
Field Size
The maximum amount of data or the number of characters that can be stored in a specific field in a database.
Caption
A brief explanation or description accompanying an illustration, photo, or diagram.
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