![subject](/tpl/images/cats/mat.png)
Mathematics, 19.11.2019 06:31 lukeakalucas
The manager of a grocery store took a random sample of 100 customers. the avg. length of time it took the customers in the sample to check out was 3.1 minutes with a std. deviation of 0.5 minutes. we want to test to determine whether or not the mean waiting time of all customers is significantly > 3 min. at 95% confidence, it can be concluded that the mean of the population isa. significantly greater then 3.18b. not significantly greater than 3c. significantly less than 3d. significantly greater than 3
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
My final challenge question of the day! i have no tests, nothing to do this for, it is simply giving away free points for a you tube video! so 50 free points for answering the most simple question ever! here is the key to getting brainiest for this question. answer in under 50 seconds. you think you can do it. i think you can. here is the question: 1x2= i know! easiest question ever! and yes! if you answer this question, you will be on you so come on and get the free 50 while you can!
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30
Which of the following multiplication expressions can be modeled by the tiles shown? check all that apply. 8(3) = 24 6(4) = 24 (3)(12) = 36 24(3) = 72 3(8) = 24 2(12) = 24
Answers: 2
You know the right answer?
The manager of a grocery store took a random sample of 100 customers. the avg. length of time it too...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 11.01.2021 18:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mir.png)
World Languages, 11.01.2021 18:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 18:40
![question](/tpl/images/cats/biologiya.png)
Biology, 11.01.2021 18:40