![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236
Answers: 1
You know the right answer?
Choose a non-integer between 0 and 1...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 11:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 11:50
![question](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 11:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.10.2019 11:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 11:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 11.10.2019 11:50
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.10.2019 11:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 11.10.2019 11:50
![question](/tpl/images/cats/en.png)
English, 11.10.2019 11:50
![question](/tpl/images/cats/fizika.png)
Physics, 11.10.2019 11:50