![subject](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 10:02 baeethtsadia
Paul wants to compare whether the prices of tangerines in two supermarkets differ significantly. he has been noting down the daily prices for the last few days and has found the difference in the sample means to be 20 cents. if the standard deviation of the distribution of the difference between sample means is 28 cents and we are testing the null hypothesis at the 95% confidence level, which statement is true?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?
Answers: 1
You know the right answer?
Paul wants to compare whether the prices of tangerines in two supermarkets differ significantly. he...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 18:10
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.02.2021 18:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 07.02.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 18:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 07.02.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 18:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 18:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 07.02.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)