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Mathematics, 28.06.2019 20:10 rashawng2005

The life span at birth of humans has a mean of 89.87 years and a standard deviation of 16.63 years. calculate the upper and lower bounds of an interval containing 95% of the sample mean life spans at birth based on samples of 105 people. give your answers to 2 decimal places.

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The life span at birth of humans has a mean of 89.87 years and a standard deviation of 16.63 years....

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