When the range is large, and classes that are several units in width are needed, a frequency distribution is used. Select one: O a. ungrouped O b. grouped O c. free O d. categorical The passing rate of a math course in a certain university is 0.72. Consider a group 3 of students who are planning to take the course this coming semester, what is the probability the at least one of these students will pass the math course? (Write your answer in four decimal places) Answer:
