Ryan needs to choose out of the 5 chores for afterschool. If he is equally likely to choose the chores, what is the probability he will choose the first 2 on list

 0.2

Step-by-step explanation:

Number of ways to select r things out of n things =

Then , Total number of ways to select 2 out of 5 chores =

Number of ways to selecting first 2 on list = 2 (either he choose top on the list first then second , or second person first then topper)

Now , the probability he will choose the first 2 on list =

Hence, the probability he will choose the first 2 on list is 0.2.