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Mathematics, 18.10.2019 23:20 phsycotic121
The batteries produced in a manufacturing plant have a mean time to failure of 27 months with a standard deviation of 2 months. a simple random sample of 100 batteries is taken and it is recorded how long it takes for each battery to fail. what is the level l so there is only a 4% chance that the sample mean time to failure falls above l? round your answer to two decimal places.
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