![subject](/tpl/images/cats/mat.png)
Mathematics, 25.12.2021 14:00 briweaver9993
PLEASE HELP FAILING ...A random variable x has a mean of 22 and a standard deviation of 3.1. Random samples of size 40 are drawn, and the sample mean calculated each time. What is the probability that, for a given sample, is 21?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:40
Which system of linear inequalities is represented by the graph? !
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Me. i can't figure out this question. give an explanation too. .
Answers: 1
You know the right answer?
PLEASE HELP FAILING ...A random variable x has a mean of 22 and a standard deviation of 3.1. Random...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 17.10.2019 02:30
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 02:30
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 02:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 17.10.2019 02:30
![question](/tpl/images/cats/istoriya.png)
History, 17.10.2019 02:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 17.10.2019 02:30
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 02:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 17.10.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 02:50