![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 02.04.2020 01:37, kkkikibdh
A speed reading course claims that it can boost reading speeds to 1050 words per minute.
In a random sample of 49 people who took the course, the average was 1020 words per minute, with a standard deviation of 90 words per minute. What is the z-value rounded to the nearest hundredth? Is there enough evidence to reject the claim?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, heavenwagner
Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:20, anicholson41
Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350
Answers: 3
Do you know the correct answer?
A speed reading course claims that it can boost reading speeds to 1050 words per minute.
In a...
In a...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 22:57
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 22:57
![Konu](/tpl/images/cats/istoriya.png)
History, 07.06.2020 22:57
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 22:57
![Konu](/tpl/images/cats/fizika.png)
Physics, 07.06.2020 22:57