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Think about the left-tailed test in the text just above. (a) What kind of “evidence” would…

Think about the left-tailed test in the text just above. (a) What kind of “evidence” would…

Think about the left-tailed test in the text just above. (a) What kind of “evidence” would indicate that μ (b) The contract was written for a mean diameter of 3.2 mm. Why didn't we set the alternative hypothesis at μ μ (c) It's unrealistic that you would want to monitor only the mean diameter of incoming machine parts. Why? (d) Instead of monitoring the mean diameter, you might want to monitor the diameters through a proportion. What proportion?