![subject](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 03:31 makaylahunt
The average expenditure on valentine's day was expected to be $100.89 (usa today, february 13, 2006). do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 40 male consumers was $135.67, and the average expenditure in a sample survey of 30 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $35, and the standard deviation for female consumers is assumed to be $20. the z value is 2.576 .
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:10, daniiltemkin20
Which equation represents the partial sum of the geometric series?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:10, ohartshorn3670
Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.
Answers: 3
![image](/tpl/images/cats/mat.png)
You know the right answer?
The average expenditure on valentine's day was expected to be $100.89 (usa today, february 13, 2006)...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 18:40
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 13.04.2021 18:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.04.2021 18:40
![Konu](/tpl/images/cats/istoriya.png)
History, 13.04.2021 18:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 18:40
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 18:40