One morning, before Diamond wakes up, her little sister borrows one of the cases with a pop socket. Given that Diamond's sister has taken one of the pop socket phone cases, what is the probability that Diamond randomly selects a phone case with a pop socket? Write your final answer as a decimal and round to three places past the decimal. Hint: There is one phone case with a pop socket in the three remaining phone cases. has four phone cases. Two phone cases have a pop socket while the other two do not. Every morning, Diamond closes her eyes and randomly selects one phone case to use for the day