![subject](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 10:34 DerekMoncoal
In a large lecture class, the professor announced that the scores on a recent exam were normally distributed with a range from 51 to 87. Using the Empirical Rule μ ± 3σ to estimate σ, how many students would you need to sample to estimate the true mean score for the class with 90 percent confidence and an error of ±2?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Write two subtraction equations that are equivalent to 5 + 12 = 17.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Which of the following equations is equivalent to x/3-6/x=1
Answers: 3
You know the right answer?
In a large lecture class, the professor announced that the scores on a recent exam were normally dis...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 06.12.2020 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 06.12.2020 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.12.2020 19:30
![question](/tpl/images/cats/geografiya.png)
Geography, 06.12.2020 19:30
![question](/tpl/images/cats/en.png)
English, 06.12.2020 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.12.2020 19:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.12.2020 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.12.2020 19:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.12.2020 19:40
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 06.12.2020 19:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.12.2020 19:40