Create and Interpret a Confidence Interval for the Difference of Two

question 13

Multiple Choice

Create and interpret a confidence interval for the difference of two proportions.
-Before being released to market, a drug company tests a new allergy medication for
Potential side effects. A random sample of 160 individuals with allergies was selected for
The study. The new allergy medication was randomly assigned to 80 of them, and another
Popular allergy medication already on the market (Brand C) was assigned to the rest. Out
Of the 80 given the new allergy medication, 14 reported drowsiness; 22 of the 80 taking
Brand C reported drowsiness. The 95% confidence interval for the difference in
Proportions reporting drowsiness is -0.028 to 0.228. Which of the following is correct?

• A) We are 95% confident that there is no difference between the proportions of patients reporting drowsiness for the two allergy medications.
• B) We are 95% confident that there is a difference between the proportions of patients reporting drowsiness for the two allergy medications.
• C) We are 95% confident that the proportion of patients reporting drowsiness is higher for the new allergy medication.
• D) We are 95% confident that the proportion of patients reporting drowsiness is lower for the new allergy medication.
• E) There will be a significant difference between the proportions 95% of the time.

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Definitions:

Employer-Employee Power Imbalance

A situation in the workplace where the employer holds significantly more power or control over the employee, potentially leading to exploitation or unfair treatment.

Workplace Conflict

A situation where disagreements or competition occur between employees or between employees and management within a workplace setting.

Poor Management

Ineffective leadership or administration practices that result in low productivity, morale, or organizational success.

Unfair Labour Practices

Actions by employers or unions that violate the rights of employees or employers under labor law, such as discrimination, intimidation, or refusal to negotiate.