Answer
See below.
Work Step by Step
The student is confused because if we repeat the sample over and over, $95\%$ of all sample means will be within $1.96$ standard deviations of the true but unknown value of the mean.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.