![subject](/tpl/images/cats/mat.png)
Mathematics, 15.04.2020 00:55 hjamya17
A marketing firm claims that its ad campaign will increase sales for a fast-food chain by 15%. In a random sample of 49 stores, the average increase in sales was 18 % with a standard deviation of 5%. What is the z value for the this example rounded to the nearest hundredth ?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 18:50, anthonylemus36
Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00, lilacastro
The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00, pulpfree8057
Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?
Answers: 2
You know the right answer?
A marketing firm claims that its ad campaign will increase sales for a fast-food chain by 15%. In a...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 18.12.2019 01:31
![Konu](/tpl/images/cats/fizika.png)
Physics, 18.12.2019 01:31
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mkx.png)
Arts, 18.12.2019 01:31
![Konu](/tpl/images/cats/istoriya.png)
History, 18.12.2019 01:31
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 18.12.2019 01:31
![Konu](/tpl/images/cats/mat.png)
Mathematics, 18.12.2019 01:31