THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 85

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a stratified random sample of students on a small campus,sample members were asked to rate,on a scale of 1 (poor)to 5 (excellent),opportunities for extracurricular activities.The results are shown in the table below.

-If a total sample of 120 students is taken,determine the number of freshmen and sophomores under the proportional allocation scheme.

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Definitions:

Modern-day Whales

Current species of whales that descended from land-dwelling ancestors through a series of evolutionary transitions over millions of years.

Hippopotamus

A large, mostly herbivorous mammal native to sub-Saharan Africa, known for its large size, semi-aquatic habits, and aggressive nature.

Hemagglutinins

Proteins found on the surface of certain viruses, like influenza, that enable the virus to bind to and infect host cells.

Viral Surface

The exterior part of a virus particle that interacts with a host's cellular mechanisms, often through specific proteins or receptors.