Given that z^20 = -2 and z^50 = -1, which of the following do you know? •The variance is 10. •The standard deviation is 30. •

Question

Given that z^20 = -2 and z^50 = -1, which of the following do you know?
•The variance is 10.
•The standard deviation is 30.
•The mean is 80.
•The median is 40.
•The data point x = 20 is 2 standard deviations from the mean.
•The data point x = 50 is 1 standard deviation from the mean.
•The data point x = 45 has a z-value of 1.5.​

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Aubrey 2 weeks 2022-01-12T12:33:02+00:00 1 Answer 0 views 0

Answers ( )

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    2022-01-12T12:34:13+00:00

    Answer:

    b,c,e,f on edge

    Step-by-step explanation:

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45:7+7-4:2-5:5*4+35:2 =? ( )