A Random Sample of 400 Items from a Population Shows

question 47

Multiple Choice

A random sample of 400 items from a population shows that 160 of the sample items possess a given characteristic.A random sample of 400 items from a second population resulted in 110 of the sample items possessing the characteristic.Using these data, a 99% confidence interval is constructed to estimate the difference in population proportions which possess the given characteristic.The resulting confidence interval is _______.

• A)0.06 to 0.19
• B)0.05 to 0.22
• C)0.09 to 0.16
• D)0.04 to 0.21
• E)0.05 to 0.23

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Definitions:

Health Insurance

A type of insurance coverage that pays for medical and surgical expenses incurred by the insured or reimburses them for expenses from illnesses or injuries.

Workers' Compensation Insurance

Insurance that provides medical benefits and wage replacement to employees injured on the job.

FUTA

This Act enforces a payroll tax on enterprises to finance state labor agencies, known as the Federal Unemployment Tax Act.

SUTA

State Unemployment Tax Act, which mandates unemployment insurance taxes that employers must pay.