![subject](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 01:30 LuisTorres8966
In a random sample of 1,000 exams, the average score was 500 points with a standard deviation of 80 points.
find the interval about the sample mean such that the probability is 0.90 that the mean number lies within the interval.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 19:20, SmolBeanPotato
Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00, Jasten
(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?
Answers: 3
![image](/tpl/images/cats/mat.png)
You know the right answer?
In a random sample of 1,000 exams, the average score was 500 points with a standard deviation of 80...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 17:50
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/ekonomika.png)
Business, 10.10.2021 17:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 17:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.10.2021 17:50