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1. Question 1 (CLO 2) To study the characteristics of power consumption of a new production machine, a random sample of 32 new machines

1. Question 1 (CLO 2) To study the characteristics of power consumption of a new production machine, a random sample of 32 new machines are tested. It is found that the mean power consumption of the sample is 976 Watt and the standard deviation is 150 Watt. What is the estimated power consumption of the new machines with confidence interval of 90 %?

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