Please answer A, B, C, and D

Adults and high school students were asked four trivia questions. The number of Number of Correct Answers correct answers given by each participant was recorded. To the right is a table 0 1 2 3 Total showing the results. Complete parts a) through d). Adults 9 27 48 35 40 159 Students 51 12 7 47 48 165 Total 60 39 55 82 38 324 a) What is the probability that a randomly selected participant is a student? (Round to four decimal places as needed.) b) What is the probability that a randomly selected participant had fewer than 2 correct answers? (Round to four decimal places as needed.) c) What is the probability that a randomly selected participant is an adult or had no correct answers? (Round to four decimal places as needed.) d) What is the probability that a randomly selected participant is an adult and had all four correct answers? (Round to four decimal places as needed.)