Which of the following illustrates the truth value of the given conjunction ? The equation x^2 + x +1 =0 has two real roots, and a ^ 3 is an irrational number

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?