The Upper Limit of a Confidence Interval at the 99

question 95

Multiple Choice

The upper limit of a confidence interval at the 99% level of confidence for the population proportion if a sample of size 100 had 40 successes is:

• A) 0.3040.
• B) 0.4047.
• C) 0.4960.
• D) 0.4806.

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Definitions:

Payroll Tax

Contributions demanded from employers or their staff, often pegged to a percentage of the paychecks disbursed to employees.

Equilibrium Wage

The wage rate at which the quantity of labor demanded by employers equals the quantity of labor supplied by workers.

Payroll Tax

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

Tax Collections

The process by which governmental authorities, such as the IRS in the United States, collect taxes from individuals and businesses.