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Flashcard BUS 308 Week 4 Assignments 9.13, 9.22, 12.10 and 12.18(a)

Week 4 Assignment


BUS308: Statistics for Managers


9.13THE VIDEO GAME SATISFACTION RATING CASE


Recall that “very satisfied” customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the random sample of 65 satisfaction rating to provide evidence supporting the claim that the mean composition satisfaction rating for the XYZ-Box exceeds 42.

1. Letting 𝝁 represents the mean composition satisfaction rating for the XYZ-Box, set up the null hypothesis Ho and the alternative hypothesis Haneeded if we wish to attempt to provide evidence supporting the claim that 𝝁 exceeds 42.

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