![subject](/tpl/images/cats/mat.png)
Mathematics, 14.06.2021 14:00 Madeline6117
Câu 3. Một lô hàng có 439 sản phẩm loại I và 179 sản phẩm loại II. Lấy ngẫu nhiên ra 5 sản phẩm
có hoàn lại. Gọi X là số sản phẩm loại I lấy được.
a) Lập bảng phân phối xác suất của X;
b) Tìm kỳ vọng và phương sai của X.
![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 18:50
Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
M.xyz =radians. covert this radian measure to its equivalent measure in degrees.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.
Answers: 1
You know the right answer?
Câu 3. Một lô hàng có 439 sản phẩm loại I và 179 sản phẩm loại II. Lấy ngẫu nhiên ra 5 sản phẩm
có...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2020 06:01
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2020 06:01
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 21.10.2020 06:01
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2020 06:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 21.10.2020 06:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 21.10.2020 06:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.10.2020 06:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.10.2020 06:01
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2020 06:01