A Multiple Choice test is given consisting of 10 questions, each question having 5 possible answers, one of which is correct. Jimmy hasn't studied and prepared himself for the test, and is therefore forced to completely guess on each question. Find the probability that:

(1) He gets exactly 5 (half)of the questions correct

(2)He gets ALL the questions correct

(3) He gets NONE of the questions correct

(4) He gets at leasta 60% (passing) on the test.

(5) He gets at most5 correct.