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In a test, students averaged 8.4 marks with a standard deviation of 3.5 marks. A lecturer took a a random sample of 36 students. You

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In a test, students averaged 8.4 marks with a standard deviation of 3.5 marks. A lecturer took a a random sample of 36 students. You are further told that the test marks are skewed to the right. a) Check the conditions for the sampling distribution of the sample mean. b) What is the probability that the test mean for the lecturer's sample, is greater 10 marks? SHOW YOUR WORKINGS

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