With probability ?
1) a small train at an amusement park is carrying passengers. half of the...
![subject](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 13:50 manman71
With probability ?
1) a small train at an amusement park is carrying passengers. half of the passengers are 6 years old, 1/10 are 7 years old, 1/5 are 8 years old and 1/5 are 9 years old. what is the expected age for one of the passengers on the train?
a) 6 years
b)7.1 years
c)8 years
d) 8.5 years
2)which probability distribution table corresponds with this frequency table?
x 1 2 3 4 5
f 3 7 2 3 5
a) x 1 2 3 4 5
p 0.3 0.7 0.2 0.3 0.5
b) x 1 2 3 4 5
p 0.2 0.2 0.2 0.2 0.2
c x 1 2 3 4 5
p 0.15 0.35 0.1 0.15 0.25
d) x 1 2 3 4 5
p 1.5 3.5 1 1.5 2.5
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:30
Translate the following situation into an inequality statement . lily has $25 to spend on a charm bracelet for her sisters birthday gift the cost of the bracelet is $12 plus $1.50 per charm
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 05:30
In the parallelogram rstu, what is su? a. 10m b. 13m c. 23m d. 26m
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 13.12.2020 02:10
![question](/tpl/images/cats/en.png)
English, 13.12.2020 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 02:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 13.12.2020 02:10
![question](/tpl/images/cats/User.png)
Engineering, 13.12.2020 02:10
![question](/tpl/images/cats/es.png)
Spanish, 13.12.2020 02:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 13.12.2020 02:10
![question](/tpl/images/cats/ekonomika.png)
Business, 13.12.2020 02:10
![question](/tpl/images/cats/istoriya.png)
History, 13.12.2020 02:10
![question](/tpl/images/cats/biologiya.png)