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A sample of 100 depths of the Loch Ness lake in Scotland reveal a sample mean depth of 132m. It is known from previous data

A sample of 100 depths of the Loch Ness lake in Scotland reveal a sample mean depth of 132m. It is known from previous data that the population standard deviation is 20m. Construct a 95% confidence interval. What is the upper bound of this interval (round your answer to two decimal places)?

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