Suppose That the Amount of Time Teenagers Spend on the Internet

question 84

Short Answer

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 population standard deviation to 1.2.

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Definitions:

Tangible Things

Physical items or objects that can be seen, touched, and measured, unlike abstract concepts or ideas.

Social

Relating to society or its organization, often focusing on the interactions, structures, and dynamics within human communities.

Spiritual

Pertaining to or involving deep feelings and beliefs, especially in relation to one’s sense of peace, purpose, and connection to the universe, religion, or nature.

Prosocial

relates to behavior that is intended to benefit others, including acts of kindness, sharing, and cooperative actions.