![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00, Michcardwell8570
With this question, the answer with the red arrow is incorrect!
Answers: 1
Do you know the correct answer?
How many moles of ch4 can be produced from 461g of c?...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 07:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 07:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 07:20
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 07:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 01.03.2021 07:20
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 07:20