Asked by Nisi

A population has u=100 σ=20. If you select a single score from this population, on the average, how close would it be to the population mean? Explain your answer
Answered by PsyDAG
If you are talking about 50% of the time, it is ± .675 SD.
Answered by Anonymous
One week Laura earned a total of $350. Of that amount $245 were tips. If she worked a 30-hour week, what was the hourly rate she received?
Answered by PsyDAG
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.

(350-245)/30 = ?
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