The science club can spend at most $400 on a field trip to a dinosaur exhibit. it has enough chaperones to allow at most 100 students to go on the trip

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?