In Testing the Hypotheses

question 29

Essay

In testing the hypotheses
H₀: p₁ - p₂ = 0
H_A: p₁ - p₂ < 0,
we find the following statistics:
n₁ = 400, x₁ = 105.
n₂ = 500, x₂ = 140.
Estimate with 90% confidence the difference between the two population proportions.

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Definitions:

Physical Addiction

A condition in which the body becomes dependent on a substance, leading to withdrawal symptoms when the substance is not taken.

Psychological Dependence

A condition in which an individual feels a compulsive need to continue using a substance or engaging in a behavior due to emotional or psychological needs.

Herbal Supplements

Products made from plants or plant extracts intended for dietary or medicinal purposes, often used to improve health or treat conditions naturally.

Nicotine

A potent chemical found in tobacco plants that acts as a stimulant in small doses but can be harmful, leading to addiction and various health issues.