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Find the z* values based on a standard normal distribution for each of the following. (e) An 80% confidence interval for a proportion. Round your

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Find the z* values based on a standard normal distribution for each of the following. (e) An 80% confidence interval for a proportion. Round your answer to two decimal places.[b) An 84% confidence interval for a slope. Round your answer to two decimal places. I(c) A 92 % confidence interval for a standard deviation. Round your answer to two decimal places. =

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