Answer:
d
Step-by-step explanation:
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:

The correct answer would be option A. h = 9n
Answer:
Step-by-step explanation:
First you would take out 15 negative tiles.
Then you would separate each the tiles into 3 groups evenly.
In the end you should have 5 tiles in each of the 3 groups.
hope this helps:)