## 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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Math
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2022-01-12T12:33:02+00:00
2022-01-12T12:33:02+00:00 1 Answer
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## Answers ( )

Answer:b,c,e,f on edge

Step-by-step explanation: