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October 20, 2014

October 20, 2014

Posted by **Valerie** on Monday, November 1, 2010 at 8:24pm.

A recruiter estimates that if you are hired to work for her company and you put in a full week at the commissioned sales representative position she is offering, you will make $525 plus or minus $250, 80% of the time. She adds, It all depends on you!

a. What does the $525 plus or minus $250 mean?

b. What does the 80% of the time mean?

c. If you make $300 to the nearest $10 most weeks, will she have told you the truth? Explain.

- statistics -
**PsyDAG**, Tuesday, November 2, 2010 at 10:43amThis is a confidence interval. She is 80% confident that your earnings will be between $270-775 ($525±250).

How does this effect your response to C?

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