Answer:
I think shape A is just reflected, and make Shape B.
The reflection line is on 2 of the y axis
Step-by-step explanation:
Given:
Sample proportion = 85% = 0.85.
Confidence level (CL) = 90%.
Confidence interval (CI)

We want the confidence interval to be 5% or 0.05. Therefore

Because this number is less than 1, a default sample size of 30 (for the normal distribution) is recommended.
Answer: 30
Answer:
C
Step-by-step explanation: