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Find the z* values based on a standard normal distribution for each of the following. (a) An 88% confidence interval for a correlation. Round your

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Find the z* values based on a standard normal distribution for each of the following. (a) An 88% confidence interval for a correlation. Round your answer to three decimal places.(b) A 90% confidence interval for a difference in proportions. Round your answer to three decimal places.(c) A 96% confidence interval for a proportion. Round your answer to three decimal places. +z =

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