Google wants to find out how many people use YouTube to find how-to videos. Suppose they conducted a survey and found 14 out of 30 people claim to use YouTube's how-to videos on a regular basis. Use this information for the following problems.

Create 99.9% confidence interval, what critical value should be used?

The answer must be a number.

Create 99.9% confidence interval by using an SE = 0.09108 , and interpret it in the context of the problem.