If X Is a Binomial Random Variable,then the Standard Deviation

question 40

Multiple Choice

If x is a binomial random variable,then the standard deviation of x is given by

• A) np.
• B) (npq)².
• C) √npq.
• D) npq.

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Definitions:

OASDI

The Old-Age, Survivors, and Disability Insurance program, part of the U.S. Social Security system, providing benefits to eligible retirees, their families, and the disabled.

Medicare

A federal health insurance program in the United States for people who are 65 or older, certain younger people with disabilities, and people with End-Stage Renal Disease.

Maximum Earnings Limits

The ceiling on the amount of earnings on which certain taxes or contributions, such as Social Security in the United States, are required.

FICA-Medicare

A federal insurance contribution act tax specifically designated for Medicare, a portion of the payroll tax paid by employees and employers to fund the Medicare program.