Determine the value of x.
...
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30, cogger9348
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30, strawberrymochi390
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
Answers: 2
![image](/tpl/images/cats/mat.png)
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 16.11.2020 22:20
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.11.2020 22:20
![Konu](/tpl/images/cats/istoriya.png)
History, 16.11.2020 22:20
![Konu](/tpl/images/cats/biologiya.png)
Biology, 16.11.2020 22:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.11.2020 22:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.11.2020 22:20
![Konu](/tpl/images/cats/istoriya.png)
History, 16.11.2020 22:20
![Konu](/tpl/images/cats/nemec.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.11.2020 22:20