If n = 380 and ˆ = 0.25, construct a 95% confidence interval. < p < (Give your answers to three decimals)
If n = 380 and ˆ = 0.25, construct a 95% confidence interval. < p < (Give your answers to three decimals)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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If n = 380 and ˆ = 0.25, construct a 95% confidence interval.
< p <
(Give your answers to three decimals)
Expert Solution
Step 1:
Find z-critical value for 95% confidence level.
Refer Standard normal table/Z-table OR use excel function "=NORM.S.INV(1-0.025)" to find the critical value of z.
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