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Question 9 7 Marks (8) El Pez Foods Company suspects that several thousand cases of recently canned tuna may be contaminated. The company decides to examine several randomly selected cases. The null hypothesis here is that the cases are contaminated. i. What are the type I and type II errors for this problem? (1 mark) ii. Would society want a small a or a small / if it had to choose one or the other to be small? Explain briefly. [1 mark) Question 9 (continued over page) Page 19 of 30 Term 2 Standard Examination 2017 Essential Statistics - STAT11048 Question 9 (continued) [b) A manufacturer of small electric motors maintains that on average their motors have always drawn 0.8 ampere or more under normal load conditions. A sample of 16 of the motors was tested, average 0.6625 amps with a standard deviation of 0.2563 amps (assuming a normal population). Test the company's claim using & - 0 05.