Question: Find thez*values based on a standard normal distribution for each of the following. 1.) An86%confidence interval for a correlation Round your answer to three decimal

Find thez*values based on a standard normal distribution for each of the following.

1.) An86%confidence interval for a correlation

Round your answer to three decimal places.

+/- z* = +/- ____

2.) A90% confidence interval for a difference in proportions

Round your answer to three decimal places.

+/-z*= +/-____

3.) A 98%confidence interval for a proportion

Round your answer to three decimal places.

+/- z*=+/-_____

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