A builder claims that heat pumps are installed in 70% of all homes being constructed today in a certain city. Would you agree with this claim if a random survey of new homes in that city showed that 8 out of 15 had heat pumps installed? Use 0.10 level of significance.
A builder claims that heat pumps are installed in 70% of all homes being constructed today in a certain city. Would you agree with this claim if a random survey of new homes in that city showed that 8 out of 15 had heat pumps installed? Use 0.10 level of significance.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Show complete solutions, show ALL the steps in the hypothesis testing.
here are the steps for hypothesis:
answer in the form of:
1. state the null and alternative hypothesis (Ho and Ha)
2. decide on level of significance, a
3. collect data and compute the value of the test statistics from the sample data.
4. make the decision. reject Ho if the value of the test statistics belongs in the critical region. otherwise, reject Ho | compute for the p value and make decisions. reject Ho if the p value is greater than or equal to a. otherwise, do not reject Ho.
5. interpret the results.
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