Guys plz solve this 3 question

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !