please solve

The mathematics faculty at a college consists of 4 professors, 9 associate professors, 6 assistant professors, and 8 instructors. If one faculty member is randomly selected, nd the probability of choosing a professor or an instructor. The probability is , (Type an integer or a fraction. Simplify your answer.) A single, six-sided die is rolled. Find the probability of rolling an even number or a number less than 6. The probability is E. (Type an integer or a fraction. Simplify your answer.) A single die is rolled. Find the odds in favor of rolling a number greater than 1. The odds in favor of rolling a number greater than 1 are (Simplify your answers.)If you are given odds of 6 to 7 in favor of winning a bet, what is the probability of winning the bet? The probability is (Type an integer or a simplified fraction.)