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The accuracy of a coin-counter machine is gauged to accept nickels with a mean diameter of millimeters 21.21 mm. A sample of 41 nickles was drawn from a reported defective coin-counter machine located near a school. The sample had a sample mean of21.214 mm and sample standard deviation 0.012 mm. Test the claim that the mean nickel diameter accepted by this coin-counter machine is greater than 21.21 mm. Test at the 0.05 signicance level. (a) Identify the correct alternative hypothesis Ha: p 21.21 Give all answers correct to 4 decimal places. (b) The test statistic value is: (c) Using the Traditional method, the critical value is(round to 2 decimal places) : (d) Based on your answers above, do you: Reject Ho Fail to reject H0 (e) Explain your choice in the box below. // (e) Explain your choice in the box below. (f) Based on your work above, choose one of the following conclusions of your test: There is not sufficient evidence to warrant rejection of the claim There is sufficient evidence to warrant rejection of the claim The sample data supports the claim There is not sufficient evidence to support the claim (g) Explain your choice in the box below