A representative of the local vendors argues that the local vendors‘ average monthly income is not more than N$ 7 500. Conduct a hypothesis test at a 2.5% level of significance to determine the validity of the claim made by the local vendors’ representative. Show all hypothesis test steps.
e) If the hypothesis test in d) was to be conducted at a level of significance greater than 2.5%, what will be the conclusion? Motivate.
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