A University Has 10,000 Students of Which 35% Are Male

question 21

Multiple Choice

A university has 10,000 students of which 35% are male and 65% are female. If a class of 30 students is chosen at random from the university population, find the mean and
Variance of the number of male students.

• A) Mean = 10.5, Variance = 2.6
• B) Mean = 10.5, Variance = 6.8
• C) Mean = 19.5, Variance = 6.8
• D) Mean = 19.5, Variance = 2.6

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Definitions:

Race

A concept no longer recognized as valid, except in terms of its social consequences; in the past, the concept of race referred to biological divisions between human beings, based primarily on their skin color.

Seek Protection

The act of looking for safety or asylum, often in the context of fleeing danger, persecution, or violence.

Persecution

Hostile and unfair treatment or punishment of an individual or group, especially because of their race, political or religious beliefs.

Refugees

Individuals who flee their country due to fear of persecution, war, or violence, seeking protection in another country under conditions defined by international law.