![subject](/tpl/images/cats/mat.png)
Mathematics, 01.05.2021 04:40 princessammarah4731
A random sample of 77 eighth grade students' scores on a national mathematics assessment test has a mean score of 285. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 280. Assume that the population standard deviation is 36. At α=0.08, is there enough evidence to support the administrator's claim
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:40
This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.
Answers: 2
You know the right answer?
A random sample of 77 eighth grade students' scores on a national mathematics assessment test has a...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/biologiya.png)
Biology, 12.02.2021 20:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/biologiya.png)
Biology, 12.02.2021 20:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 12.02.2021 20:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)