Answer:
45
Step-by-step explanation:
Y=4x-1 because it can be the only one
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:

Advice:
I've seen this around quite a bit. what image is it referring to? I cannot answer this because there is no image.