Question
t he proportion of customers who are satisfied in a survey of 400 customers at XYC Inc. is 0.24. 1.Test the hypothesis that the population
the proportion of customers who are satisfied in a survey of 400 customers at XYC Inc. is 0.24.
1.Test the hypothesis that the population proportion of customers who are completely satisfied is greater than 0.21 using the critical value approach and a 0.05 level of significance.
2.Test the hypothesis that the population proportion of customers who are completely satisfied is less than 0.28 using the p-value approach and a 0.05 level of significance.
3.Test the hypothesis that the population proportion of customers who are completely satisfied is different from 0.22 using the p-value approach and a 0.05 level of significance.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
