![subject](/tpl/images/cats/mat.png)
Mathematics, 12.03.2020 03:40 23basu3
A company offering online speed reading courses claims that students who take their courses show a 5 times (500%) increase in the number of words they can read in a minute without losing comprehension. A random sample of 100 students yielded an average increase of 415% with a standard deviation of 220%. Calculate a 95% confidence interval for the average increase in number of words students can read in a minute without losing comprehension. Choose the closest answer. (412.09, 417.91) (378.7, 451.3) (371.88, 458.12) (411.37, 418.63)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:00
Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:40
The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Which is the graph of this function 3 square root of x plus one if
Answers: 1
You know the right answer?
A company offering online speed reading courses claims that students who take their courses show a 5...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 07.01.2020 01:31
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.01.2020 01:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.01.2020 01:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.01.2020 01:31
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.01.2020 01:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.01.2020 01:31