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:

Bipolar Disorder

A mental disorder characterized by periods of depression and periods of elevated mood or mania.

Adjunctive Therapy

Additional treatment used together with the primary treatment to assist in achieving the desired outcome.

Behavioral Activation Therapy

A therapeutic approach that seeks to improve mood by increasing engagement in positively reinforcing activities.

Cognitive-Behavioral Therapy

A widely used therapy approach that focuses on changing negative thought patterns and behaviors to improve mental health.