(Solved): As a reward for a record year, a software company is randomly selecting 4 people from its 600 emplo ...

As a reward for a record year, a software company is randomly selecting 4 people from its 600 employees for a free trip to Hawai, but it will not pay for a traveling companion. If John and Jill are married and both are employees, what is the probability that they will both win? (Round your answer to six decimal places.)