kmoneyy6835 kmoneyy6835

25-05-2023
Mathematics

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A random variable X is normally distributed with a mean of 121 and a variance of 121, and a random variable Y is normally distributed with a mean of 150 and a variance of 225. The random variables have a correlation coefficient equal to -0.5. Find the mean and variance of the random variable below W=9X-7Y

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