A company is studying the number of monthly absences among its 125 employees. The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month. 
What is the standard deviation of the number of days absent?
Definitions:
Dividend Reinvestment Plans
Programs that allow shareholders to automatically reinvest their cash dividends into additional shares of the issuing company.
Dividend Policy Decision
The strategy a company uses to decide the amount and timing of dividend payments to its shareholders.
Current Cash Income
Income received or realized in cash during a specific period, not accounting for non-cash expenses like depreciation.
Bond Indenture
A legal contract between a bond issuer and a bondholder that specifies the terms of the bond, such as the interest rate, maturity date, and redemption provisions.
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