Which of the Following Equations Is INCORRECT

question 10

Multiple Choice

Which of the following equations is INCORRECT?

• A)Cov(Ri,Rj)= Σ(Ri - Ri)(Rj - Rj)
• B)Var(Rp)= x12Var(R1)+ x22Var(R2)+ 2X1X2Cov(R1,R2)
• C)Corr(Ri,Rj)=
• D)Cov(Ri,Rj)= E[(Ri - E[Ri])(Rj - E[Rj])]

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Definitions:

Pollution

The introduction of harmful substances or products into the environment, resulting in negative effects on living organisms and the natural ecosystem.

Transgenic Crops

Crops that have been genetically modified to express a gene from another species, conferring beneficial traits such as pest resistance or increased yield.

Pesticide-Resistant

Refers to pests that have developed a resistance to pesticides through genetic mutation or adaptation, reducing the effectiveness of the pesticides.

Pest-Resistant

A characteristic of plants that have the ability to withstand or repel attacks from pests, reducing the need for chemical pesticides.