Question: with 80% confidence, for sample proportion 0.42 and sample size 22, what is the upper confidence limit with 2 decimal places? with 90% confidence, for

  1. with 80% confidence, for sample proportion 0.42 and sample size 22, what is the upper confidence limit with 2 decimal places?
  2. with 90% confidence, for sample mean 386.50, sample standard deviation 10.60, and sample size 35, what is the upper confidence limit with 2 decimal places?

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