Answer:
.0166
Step-by-step explanation:
Central Limit Theorem for proportions:
For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean
and standard deviation 
In this question:

What is σρˆ?
The standard deviation of the sample proportion, which is:

Answer:
Step-by-step explanation:
divide the number then add on
Answer: 11%
Step-by-step explanation: What I did is i added 21 8 and 2 together and subtracted them by the amount of students which is 28. Then with that number/ 3 I divided by 28 which gave me the percentage .10714. I then rounded and ended with 11%. Im pretty sure this is the right answer if anyone thinks they know im wrong please say
A. d=rt d is 32.12 and your rate is 8.8 so the answer for A is 32.12=8.8t
B. The word ascend means to go up
C. Just divide 32.12 by 8.8
3/8 beacuse you would change that to a mix number