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The amount of time teenagers spend weekly working at part-time jobs has a population standard deviation of 29 minutes. A random sample of 117 teenagers

The amount of time teenagers spend weekly working at part-time jobs has a population standard deviation of 29 minutes. A random sample of 117 teenagers was drawn and the sample average was 617.02 minutes. Using a 99% confidence level, use Excel to estimate the population average amount of time spent at part-time jobs. Use printscreen to show the results.

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