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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 mea

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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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Mathematics
2 months
2021-08-02T09:27:23+00:00
2021-08-02T09:27:23+00:00 1 Answers
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## Answers ( )

Answer:x is down and up and y is up then down

Step-by-step explanation:I think