![subject](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 23:40 chloerodgers56
Test scores on the nationally standardized ACT test for a large population of students are normally distributed with a mean of 19 and a SD = 4.7. Certificates are given to students who score in the top 2.5% of those who took the test.
![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 21:20
Se tiene en una caja de canicas 10, 4 blancas y 6 negras ΒΏcual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ΒΏcual es la probalidad que en 2 extracciones sin reemplazo sean negras?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
Your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:40
The discrete random variables x and y take integer values with joint probability distribution given by f (x,y) = a(yβx+1) 0 β€ x β€ y β€ 2 or =0 otherwise, where a is a constant. 1 tabulate the distribution and show that a = 0.1.2 find the marginal distributions of x and y. 3 calculate cov(x,y).4 state, giving a reason, whether x and y are independent. 5 calculate e(y|x = 1).
Answers: 2
You know the right answer?
Test scores on the nationally standardized ACT test for a large population of students are normally...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.08.2019 00:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.08.2019 00:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 07.08.2019 00:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.08.2019 00:20
![question](/tpl/images/cats/biologiya.png)
Biology, 07.08.2019 00:20