![subject](/tpl/images/cats/mat.png)
Mathematics, 17.01.2020 22:31 granniejo
We are studying the proportion of cities that have private garbage collector. we want a maximum error of 0.10 and a 95% confidence level, and tentatively estimate the proportion at 0.50. what is the minimum number of cities we need to contact?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
The table above shows approximate conversions from gallons to liters. what is the value of x?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6
Answers: 1
You know the right answer?
We are studying the proportion of cities that have private garbage collector. we want a maximum erro...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 12.10.2020 15:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 12.10.2020 15:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mkx.png)
Arts, 12.10.2020 15:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2020 15:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2020 15:01
![question](/tpl/images/cats/en.png)
English, 12.10.2020 15:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 12.10.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2020 15:01