Thirty high school seniors were asked how many times they went swimming over the summer. The 5-number summary of the resulting data is 0, 4, 8, 10, 60. Above which value would the number of times a senior went swimming be considered an outlier? 6 10 19 35 60

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?