X = 112
Sorry I had to smoosh the image so it would fit.
Answer:
Following are the solution to the given question:
Step-by-step explanation:
Please find the complete question in the attached file.

The total number of aces is approximately 167, 12 or more. The SE is 12 out of 1000, which is 1.2 percent.
The percentage of aces is expected to be around 16.67% , or 1.2%.
Answer:
You can opt to study the entire population when the population is well defined(Complete sampling frame) and small.
It can eliminate any potential bias occurring through sampling technique, but other than that it is really not justified to consume more resources and time.