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Answer: .
Step-by-step explanation:
Formula : Probability =
From the given frequency distribution for the class level of students in an introductory statistics course, we have
Number of Junior= 12
Number of Senior = 7
Total students = 6+16+12+7 = 41
Probability that the first student obtained is a junior =
Probability that the the second student obtained is a senior.
Then, the probability that the first student obtained is a junior and the second a senior would be
Hence, the required probability is .