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X and Y are independent random variables. X has mean 100 and standard deviation 12. Y has mean 30 and standard deviation 9. What are the mean and standard deviation of (X–Y)?
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Jan 16, 2022
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X and Y are independent random variables. X has mean 100 and standard deviation 12. Y has mean 30 and standard deviation 9. What are the mean and standard deviation of (X–Y)?
Mathematics
college
Vishnu Mishra
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Answer:
x is down and up and y is up then down
Explanation:
I think
Derrek
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Jan 23, 2022
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Derrek
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