A Random Sample of 400 Items from a Population Shows

question 23

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 this 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:

Density-Intensity Theory

A theoretical framework suggesting that social groups’ cohesion or influence is affected by their size (density) and the strength of the connections between members (intensity).

Stress-Arousal Theory

proposes a connection between stress levels and physiological arousal, impacting an individual's performance and well-being.

Overload Theory

A psychological theory that suggests individuals or systems can only handle a limited amount of information or tasks before performance begins to deteriorate.

Status

Refers to the relative social, professional, or other standing of someone or something, often influencing power dynamics and interactions within a group.