A Sample of 500 Evening Students Revealed That Their Annual

question 6

Multiple Choice

A sample of 500 evening students revealed that their annual incomes from employment in industry during the day were normally distributed with a mean income of $30,000 and a standard deviation of $3,000. (i) 250 students earned more than $30,000.
(ii. 500 students earned between $20,000 and $40,000.
(iii) 3 students earned less than $22,500.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (ii) and (iii) are correct statements but not (i).

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Definitions:

Gender-Segregated

Refers to environments, activities, or institutions where males and females are separated or treated differently based on gender norms or stereotypes.

Global Economy

Describes the interconnected worldwide economic activities, trade, and financial markets that affect all nations' economies.

Developed Nations

Countries with advanced industrial infrastructure and high living standards.

Gross Domestic Product

The total monetary value of all goods and services produced within a country's borders in a specific time period, serving as a broad measure of economic activity.