An avionics company uses a new production method to manufacture aircraft altimeters. A simple random sample of 12 new altimeters results in various errors. The standard deviation of the errors is 47.5 ft. Use a 0.05 level of significance to test the claim that the new production method has errors with a standard deviation greater than 32.2 ft. State the initial and final conclusion.

John has served as the chief operating officer (coo) for business graphics, inc., a publicly owned firm, the past 5 years. which of the following statements about john is correct? both john and the ceo of business graphics must certify to the sec that the firm's financial statements are accurate. as the coo, john will be ranked higher than the ceo but still below the cfo. in john's postition as the coo, it is highly unlikely that he would also be the chairperson of the board of directors. as the coo, john would typically be involved with accounting, finance, and asset purchase decisions.