Mathematics, 13.08.2020 15:01 xboxgamer304
A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that supports him/her. If the candidate wants a 10% margin of error at a 95% confidence level, what size of sample is needed
Answers: 3
![n=[\frac{z_{\alpha/2}\times \sqrt{\hat p(1-\hat p)} }{MOE}]^{2}](/tpl/images/0721/3925/f7653.png)
![=[\frac{1.96\times \sqrt{0.50(1-0.50)} }{0.10}^{2}\\\\=[9.8]^{2}\\\\=96.04\\\\\approx 97](/tpl/images/0721/3925/82fb1.png)
Another question on Mathematics
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
Mathematics, 21.06.2019 20:00
Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?
Answers: 2
Mathematics, 21.06.2019 20:00
The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost
Answers: 1
You know the right answer?
A political candidate has asked his/her assistant to conduct a poll to determine the percentage of p...
Questions
Mathematics, 26.03.2021 17:40
English, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
History, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
Mathematics, 26.03.2021 17:40
