Mathematics, 16.04.2020 21:35 Serenitybella
A recent study showed that the modern working person experiences an av- erage of 2.1 hours per day of distractions. A random sample of 50 workers for a large corporation found that these workers were distracted an average of 1.8 hours per day and the population standard deviation was 20 minutes. Estimate the true mean population with 90% con dence.
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