Final answer:
The total number of ways to arrange the family members in a line, with parents at the ends, is 12.
Explanation:
When arranging the family members in a line, with parents at the ends, consider the following:
- There are 2 ways to arrange the parents at the extreme ends.
- For the 3 children in between them, there are 3! = 6 ways to arrange them.
- Therefore, the total number of ways to arrange the family members in a line with parents at the extremities is 2 * 3! = 12 ways.
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