The accompanying data shows the weekly purchases of printers at a particular electronic store. Using a= 0.05, perform a chi-square test to determine if the number of printers sold per week follows a normal probability distribution. Note that x = 11.2 and S= 4.4 1 Click the icon to view the weekly purchases of printers. State the appropriate null and alternative hypotheses. What is the null hypothesis? O A. Ho The mean number of weekly printers purchased is 11.2. O B. Ho: The mean number of weekly printers purchased is not 11.2.

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