Plato !
a restaurant owner wants to determine the effectiveness of his servers. the owner conducted a survey by asking 30 customers about the servers' effectiveness, on a day when the restaurant had 450 customers. the owner found that 65% of those surveyed were satisfied with the service offered. assuming a 95% confidence level, which of the following statements holds true?

A. As the sample size is appropriately large , the margin of error is  .

Step-by-step explanation:

Given : The sample size : n=30, it means the sample is large , so we apply z-test. [If n ≥ 30 then we apply z-test]

The proportion of customers surveyed were satisfied with the service offered :

Significance level :

Critical value :

Margin of error :-

i.e.

where is the image?

step-by-step explanation:

answer is d-29

step-by-step explanation:

since you didn't include the picture, i can give you the description so you know how to pick the correct answer. the third quartile of a data is always shown in a box plot. in the middle of your graph should be a box. the third quartile is the value that goes with the far right edge of the box.