In a Recent Semester at a Local University, 520 Students

question 37

Multiple Choice

In a recent semester at a local university, 520 students enrolled in both General Chemistry and Calculus I. Of these students, 88 received an A in general chemistry, 76 received an A in calculus, and 31 received an A in both general chemistry and calculus.
Find the probability that a randomly chosen student received an A in general chemistry or calculus or both.

• A)0.811
• B)0.375
• C)0.256
• D)0.315

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Definitions:

Aquatic Ecosystem

A water-based environment which includes both marine and freshwater habitats, supporting a diverse range of life forms.

Nutrient Concentrations

The quantities of essential chemical elements or compounds, like nitrogen and phosphorus, available in an environment, crucial for the growth of organisms.

Algae Blooms

A rapid increase or accumulation in the population of algae in an aquatic system, often resulting in a visible discoloration of the water.

Bottled Water

Packaged drinking water sold in plastic or glass bottles.