I in Terms of a Formula the Standardized Value of Z

question 57

Multiple Choice

i. In terms of a formula the standardized value of z is found by z = (X - µ) / $\sigma$ . ii. The standard normal distribution is a special normal distribution with a mean of 0 and a standard deviation of 1.
iii. A computed z for X values to the right of the mean is positive.

• A) (i), (ii), and (iii) are all correct statements
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Social Security

A government program providing economic assistance to persons with inadequate or no income, funded by taxes on workers and employers.

Medicare Benefits

Medicare benefits refer to the health care services covered under Medicare, a United States federal health insurance program for people who are 65 or older, certain younger people with disabilities, and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant).

FICA Tax

Federal Insurance Contributions Act tax used to finance federal programs for old-age and disability benefits (social security) and health insurance for the aged (Medicare).

Payroll Tax

Taxes imposed on employers or employees, and are usually calculated as a percentage of the salaries that employers pay their staff.