Evaluate the Sum $$\sum _ { k = 1 } ^ { 400 } 7$$

question 61

Multiple Choice

Evaluate the sum.​ $$\sum _ { k = 1 } ^ { 400 } 7$$ ​

• A)4
• B)400
• C)2,805
• D)2,800
• E)7

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Definitions:

Null Hypotheses

A statement or hypothesis set up to be nullified or refuted in order to support an alternative hypothesis , typically suggesting no effect or no difference.

Alternative Hypotheses

In hypothesis testing, the proposition that there exists an effect or difference when contrasted with the null hypothesis.

Genetic Mutation

A change in the DNA sequence that makes up a gene, which can lead to differences in protein production and can affect health and development.

Entomologist

A scientist who studies insects, including their biology, behavior, and impact on the environment.