Barry has a career batting average of .298. What is the probability that he will get on base 6 times out of 10 at bats

(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

Nine more than four times a number is the same as one less than twice the number. find the number?

Ten times the square of a non-zero number is eqaul to ninety times the number