![subject](/tpl/images/cats/mat.png)
Mathematics, 25.07.2019 13:00 icemaniac
Astudy of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 20 hours. the population standard deviation is 2 hours. what is the 95% confidence interval for the mean? 19.88−20.12 hours 19.76−10.24 hours 19.88−20 hours 20−20.12 hours
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30, logan12345677885675
The value √10 and √15 are plotted on the number line
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, paulesparsa6
Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:20, mya1318
Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte
Answers: 2
You know the right answer?
Astudy of one thousand teens found that the number of hours they spend on social networking sites ea...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
English, 08.01.2021 06:50
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 08.01.2021 06:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 06:50
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 08.01.2021 06:50