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Question Answered step-by-step pleas assist Image transcription textPreview File Edit View Go Tools Window Help M Q Mon 06 Jun 06:12 Exam questions.pdf 1 Q Q u Q Search Page 2 of 5 Question 4 [ 6 marks] A survey of a random sample of 300 grocery shoppers in Kimberley found that the mean value of their grocery purchases was R78. Assume that the population standard deviation of grocery purchase values is R21. Find the 95% confidence limits for the average value of a grocery purchase by all grocery shoppers in Kimberley. Help 6… Show morepleas assist  Math Statistics and Probability MATH 151 Share QuestionEmailCopy link Comments (0)