The median number of magazine appearances made by 777 models is 555. The range of number of magazine appearances by those models is 555.

Question

Determine if the following statement is true, is false, or does not contain enough information.
If the fewest magazine appearances is 3, then the greatest number of appearances is 9.

Answer 1

if each of 777 models made at least 3 appearances each, then the total is way more than 777.

You should have rephrased the question as:

Determine whether the following statement is true or false,
or cannot be determined from the information provided.