![subject](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 14:10 Inrimid3619
The random variable x represents the number of credit cards that adults have along with the corresponding probabilities. find the mean and standard deviation. x p(x) 0 0.07 1 0.68 2 0.21 3 0.03 4 0.01 a. mean: 1.23; standard deviation: 0.44 b. mean: 1.30; standard deviation: 0.32 c. mean: 1.30; standard deviation: 0.44 d. mean: 1.23; standard deviation: 0.66
![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 18:00
The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.
Answers: 3
You know the right answer?
The random variable x represents the number of credit cards that adults have along with the correspo...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 20:40
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 20:40
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 25.07.2019 20:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.07.2019 20:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 20:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.07.2019 20:40
![question](/tpl/images/cats/mat.png)
Mathematics, 25.07.2019 20:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 20:40