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

Question

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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Amity 2 months 2021-08-02T09:27:23+00:00 1 Answers 1 views 0

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    2021-08-02T09:28:45+00:00

    Answer:

    x is down and up and y is up then down

    Step-by-step explanation:

    I think

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