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Mathematics, 17.07.2020 05:01 Rosalycarlite5358

The average life a manufacturer's blender is 5 years, with a standard deviation of 1 year. Assuming that the lives of these blenders follow approximately a normal distribution, find the probability that the mean life a random sample of 9 such blenders falls between 4.5 and 5.1 years.

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The average life a manufacturer's blender is 5 years, with a standard deviation of 1 year. Assuming...
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