At a Certain University,30% of the Students Major in Zoology

question 79

Multiple Choice

At a certain university,30% of the students major in zoology.Of the students majoring in zoology,60% are males.Of all the students at the university,70% are males. What proportions of the males are majoring in zoology?

• A).26
• B).18
• C).21
• D).86
• E).60

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Definitions:

Decolorizer

A chemical used in staining procedures in microbiology to remove excess stain, helping differentiate between types of cells or parts of cells.

Ethanol

A volatile, flammable, colorless liquid commonly known as alcohol, used in beverages and as a solvent and antiseptic.

Females

This term denotes individuals of a species that are biologically characterized by the production of ova or eggs, distinct from males in sexual dimorphism.

Menstrual Period

The monthly shedding of the uterine lining in females of reproductive age, accompanied by bleeding through the vagina.