I need help with this, i do not know how to solve. Find the z* values based on a standard normal distribution for each of the following.(a) A 78% confidence interval for a proportion.Round your answer to three decimal places.tz" = + iHinteTextbook and Media(b) An 82% confidence interval for a slope.Round your answer to three decimal places.+z* =+ iHinteTextbook and Media(c) A 92% confidence interval for a standard deviation.Round your answer to three decimal places.+z* =+iHinteTextbook and Media
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