Lane reads 25 pages in 30 seconds. if lane reads 200 pages at the same rate how long will it take her

(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

Which of the following is the sum of 3 1/6 + 6 3/8?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!