Question: (a) An 86% confidence interval for a correlation (b) A 94% confidence interval for a difference in proportions (c) A 96% confidence interval for a

(a) An 86% confidence interval for a correlation
(b) A 94% confidence interval for a difference in proportions
(c) A 96% confidence interval for a proportion

Find the z∗ values based on a standard normal distribution for each of the following.

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