Answer: 
Step-by-step explanation:
The confidence interval for the difference of two population proportion is given by :-
Given : The first sample consists of 20 people with 9 having a common attribute.
Here, 
, 
, 
Significance level : 
Critical value : 
A 95% confidence interval for the difference of two population proportion will be :-
Answer:
6
Step-by-step explanation:
The order of the polynomial is 6 (look at the highest exponent). So there are 6 roots.
Answer:
The answer is E
Step-by-step explanation:
if you find the common numbers you get 45
4/572
divide top and bottom by 4
1/143
or in decimal form
.006993007
There are many benefits to using folders when working with lots of files. Here are a few examples:
- You can use folders to sort your files by type, almost like drawers in a desk, so you might have folders for Music, Photographs, Documents, etc.
- You can use folders to group files together into a specific group. For example in your Photographs folder you might have a folder titled BirthdayPhotographs for all the photographs from your birthday.
- As in the example above you can nest folders to create sub-categories. Documents might include folders for Homework, Stories, Poems
- Folders can have different permissions applied to them, allowing you to keep personal files in a private folder only you can access, or secret files in a folder that doesn't show up in the normal list of folders!
