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68% of online courses taught at community colleges nationwide were taught by full-time faculty. To test if 68% also represents California's percent for full-time faculty teaching the online classes, Long Beach City College (LBCC), CA, was randomly selected for comparison. In the same year, 34 of the 44 online courses LBCC offered were taught by full-time faculty. Conduct a hypothesis test to determine if 68% represents CA. NOTE: For more accurate results, use more CA community colleges and this past year's data. (Sources: Growing by Degrees by Allen and Seaman; Amit Schitai, Director of Instructional Technology and Distance Learning, LBCC).
suppose you have a normal distribution of values with a mean of 70 and a standard deviation of 4.5. find the
Is this a one-tailed or two-tailed test? Explain.- Write the null and alternative hypotheses.- In this context, explain what would happen if the professor makes a Type I error.
Consider the number of gifts (lifetime gifts, previous to this mailing) given by the 20,000 people represented in the donations database.
How anyone who has seen even one photo of the fly-covered, starving children in Somalia can still believe in a loving, everpresent, omnipotent God is beyond intelligent reasoning.
james w. has a portfolio that includes 20 shares of disney and 30 shares of amazon. the price of disney stock is
A cola dispensing machine is set to depense 9 ounces per cup with a standard deviation of .5 oz .THe manufacturer would like to set the control limits so that for samples of 16,
a chemical engineer wants to fit a straight line to the data found observing the tensile strength y of 10 test pieces
the attached excel spreadsheet includes 500 randomly collected data points describing how many minutes of physical
Prepare a control matrix, including explanations of how each recommended existing control plan helps to accomplish-or would accomplish in the case of missing plans-each related control goal.
Describe how a study could test the effectiveness of the hair restoration drug Rogaine using a combination of paired and two-sample designs.
Under what conditions can the possibility that Y causes X be ruled out when two variables, X and Y, are strongly correlated?
Derive the simple linear regression for this data and explain the equation in words. Assuming that the model is correct calculate the predicted monthly profit next month if the average uranium price is assumed to be $59.
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