All students in a school were surveyed regarding their preference for whipped cream or ice cream to be served with chocolate cake. The results, tabulated by grade level, are reported in the table.

a. Copy and complete the table.
b. What is the probability that a randomly chosen 10th grader will prefer ice cream?
c. What is the probability that a randomly chosen 11th grader will prefer whipped cream?
d. What is the probability that someone who prefers ice cream is a 9th grader?
e. What is the probability that a randomly chosen student will prefer whipped cream?

Transcribed Image Text:

9th grade 10th grade 11th grade 12th gradeTotal 85 37 О@d 18 37 114 Ice cream Whipped cream Total 5 18 58