## Finding the Critical Value \( z_c \)To form a confidence interval at the specified level of confidence, follow these steps:1. **Identify the given confidence level:** \( c = 0.89 \) 2. **Calculate the critical value \( z_c \):** (Round to two decimal places as needed.)\[ z_c = \boxed{\phantom{0}} \]Make use of the Z-table or statistical tools to find the required \( z_c \) value that corresponds to the given confidence level.

Given data isconfidence level(c)=0.89

Answered: Find the critical value z necessary to…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Find the critical value z necessary to form a confidence interval at the level of confidence shown below. c=0.89 Zc = (Round to two decimal places as needed.)