![subject](/tpl/images/cats/mat.png)
Mathematics, 30.07.2021 03:20 supercutedonuf3753
Both before and after a recent earthquake, surveys were conducted asking voters which of the three candidates they planned on voting for in the upcoming city council election. Has there been a change since the earthquake? Use a level of significance of 0.05. Table shows the results of the survey. Has there been a change in the distribution of voter preferences since the earthquake?
PeterAlanSui
Before18384181475
After14203291140
What is the chi-square test-statistic for this data?
χ2=.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:20
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? will mark the
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:10
If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if
Answers: 3
You know the right answer?
Both before and after a recent earthquake, surveys were conducted asking voters which of the three c...
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2021 19:20
![question](/tpl/images/cats/biologiya.png)
Biology, 01.08.2021 19:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2021 19:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2021 19:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)
Physics, 01.08.2021 19:20
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2021 19:20
![question](/tpl/images/cats/en.png)
English, 01.08.2021 19:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 01.08.2021 19:20
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2021 19:20
![question](/tpl/images/cats/mat.png)