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Let the random variable X be the reliability scores of

Question : Let the random variable X be the reliability scores of : 3567

Let the random variable X be the reliability scores of different cars and the random variable Y be the performance scores of different cars. If cov(X,Y)=0, or the covariance between X and Y is zero, which of the following statements is true about the random variables?

There is no linear relationship between the reliability scores and performance scores of different cars.

There is a perfect positive linear relationship between the reliability scores and performance scores of different cars.

The reliability scores and performance scores of different cars are dependent.

There is a perfect positive linear relationship between the reliability scores and performance scores of different cars.

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