THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 46

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a random sample of 125 large retailers,90 used regression as a method of forecasting.In an independent random sample of 160 small retailers,80 used regression as a method of forecasting.
-Find a 95% confidence interval for the difference between the two population proportions.

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Definitions:

Bed Time

Bed Time signifies the regular time at which an individual goes to bed to sleep.

Alcohol

A chemical compound commonly found in beverages such as beer, wine, and spirits, characterized by its psychoactive and intoxicating effects.

Reticular Activating System

A network of neurons in the brainstem that regulates wakefulness and sleep-wake transitions.

Sedatives

Drugs that have a calming effect, reduce nervousness, and help induce sleep by depressing the central nervous system.