Suppose That the Amount of Time Teenagers Spend on the Internet

question 85

Essay

Suppose that the amount of time teenagers spend on the Internet is normally distributed, with a standard deviation of 1.5 hours. A sample of 100 teenagers is selected at random, and the sample mean is computed as 6.5 hours.
Determine the 95% confidence interval estimate of the population mean, changing the sample mean to 5.0 hours.

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Definitions:

Traits of Anxiety

Characteristics or behaviors commonly associated with anxiety, including excessive worry, nervousness, restlessness, and physical symptoms like increased heart rate.

Impulsiveness

The tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences.

Ego-resilient

Describes an individual's ability to adapt to stressors and return to a baseline state of functioning effectively after experiencing stress.

Adaptability Under Stress

The ability to adjust and cope with pressure or adversity, maintaining functionality and resilience.