Posted: February 16th, 2017

1. # A manufacturing process fills soft drink bottles with a population mean equal to 12.074 ounces and a population standard deviation equal to 0.046 ounces.

1. What percentage of the bottles will have less than 12.010 ounces?
(6 points)

1. What percentage of the bottles will have more than 12.172 ounces?

(6 points)

1. A High School counselor is conducting a study to help establish guidelines for recommending the number of hours a student should work during the school week. Use the data below and the chart provided to construct a Scatter Diagram for the correlation between hours worked and the student’s GPA and estimate the best fit line. (8 points)

 GPA Hours Worked Mon.-Fri. 2.0 30 2.2 27 2.2 8 2.6 21 2.7 20 3.0 3 3.4 7 3.4 16 3.8 11 4.0 12

What would you expect your GPA to be if you worked 22.5 hours during the school week?  (4 points)

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