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The Average Work Week Kara a newly hired engineer has been informed that the mean...

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The Average Work Week Kara a newly hired engineer has been informed that the mean work week for engineers in start up companies is 55 hours Kara hopes that the mean hours worked per week is less than 55 hours She asks random engineers in start ups for the lengths of their mean work weeks The data are below Assume work time is normally distributed Hours 49 52 1444455 59 47 57 48 53 60 61 54 65 47 55 36 62 34545 36 47 46 61 Evaluate Kara s claim using a hypothesis test Write the hypothesis for the test O Ho H 55 Ha H 55 H 55 H 55 O Ho H 55 H u 55

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