Plweaseee help :""
Distribution A
X | P(X)
0 | 0.50
1 | 0.20
2 | 0.15
3 |...
![subject](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 16:50 5924000264
Plweaseee help :""
Distribution A
X | P(X)
0 | 0.50
1 | 0.20
2 | 0.15
3 | 0.10
4 | 0.05
What are the variance and standard deviation of the distribution? Express your answers in three decimal places.
(in the pic)
β
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 13:30
Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
What function has a range {yly< 5}? question on picture above^
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.02.2020 18:13
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.02.2020 18:13
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2020 18:13
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.02.2020 18:14
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2020 18:14
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.02.2020 18:14