The accuracy of a coin-counter machine is gauged to accept nickels with a mean diameter of 80% Reset 40 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 of 21.211 mm and sample standard deviation 0.011 mm. Test the claim that the mean nickel diameter accepted by this coin-counter machine is greater than 21.21 mm, Test at the 0.1 significance level (a) Identify the correct alternative hypothesis H.: A > 21.21 Ou