Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Step-by-step explanation:

Given : A family has five members: a mom, a dad, two sisters, & a brother.

If the family lines up single file, then the number of persons can be at the front of the line = 5

Now, the probability that the mom is at the front of the line :-

Hence, the probability that the mom is at the front of the line=