![subject](/tpl/images/cats/mat.png)
Mathematics, 17.11.2019 21:31 gdufdgjki
Anewspaper writer will write an article about the mean age of voters. she will estimate by selecting a sample of voters and calculating their mean age.
which method should the writer use to select the sample?
a) select 100 people who voted in the last election and are more than 30 years old
b) randomly select 100 people who voted in the last election
c) select 100 people who voted for the most popular candidate in the last election.
d) randomly select 100 people who read the newspaper
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:00
Determine the quotient and remainder when (6a3)+11a2-4a-9) is divided by (3a-2) express your answer in the form q(a) + r(a)/d(a)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:00
The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.
Answers: 2
You know the right answer?
Anewspaper writer will write an article about the mean age of voters. she will estimate by selecting...
Questions
![question](/tpl/images/cats/en.png)
English, 21.01.2021 03:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 03:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 03:40
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 03:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 21.01.2021 03:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.01.2021 03:40
![question](/tpl/images/cats/en.png)
English, 21.01.2021 03:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 21.01.2021 03:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/es.png)
Spanish, 21.01.2021 03:40
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.01.2021 03:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.01.2021 03:40