Time Spent Playing Computer Games

question 51

Short Answer

Time Spent Playing Computer Games
Suppose that the amount of time teenagers spend playing computer games per week is normally distributed with a standard deviation of 1.5 hours.A sample of 100 teenagers is selected at random,and the sample mean computed as 6.5 hours. ​ ​
-{Time Spent Playing Computer Games Narrative} Determine the 95% confidence interval estimate of the population mean if the population standard deviation is changed to 1.2.

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Definitions:

Industry Demand

The total demand for products or services within a particular industry or sector.

Equilibrium Price

The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, leading to a state of market balance.

Number of Firms

It refers to the total count of enterprises operating within a certain market or industry.

Industry

A sector of the economy that produces a related set of goods or services.