Asurvey was conducted to determine whether a group of 11th graders and 12th graders preferred to go to the amusement park or to the zoo for a class trip. the results are shown in the table. 11th graders 32 amusement park, zoo 18. 12th graders 24 amusement park, zoo 26. based on the table, what is the probability that a student preferred a class trip to the zoo given that they are in 11th grade?