![subject](/tpl/images/cats/mat.png)
Mathematics, 18.12.2019 19:31 ethanmoct6
2. the caffeine content of a random sample of 21 cups of black coffee dispensed by a new machine is measured. the
mean and standard deviation for the sample are 110 mg and 5.0 mg, respectively. construct a 98% confidence
interval for the population mean amount of caffeine..
*e=tcls.
e= 2.528 1 8 1 ) = 2
cmc112.76
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 14:30
Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:20
What is the slope of the line that contains the points (-5, 6) and (14. - 7)?
Answers: 1
You know the right answer?
2. the caffeine content of a random sample of 21 cups of black coffee dispensed by a new machine is...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 18.09.2019 20:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 18.09.2019 20:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 18.09.2019 20:50
![question](/tpl/images/cats/istoriya.png)
History, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.09.2019 20:50