Suppose 9 students are forming a study group, 4 of them are male and the rest arře female. In how many ways there exactly 3 females in the study group (no limits on the males)? (hint: this is a two-step question. First compute howm ways can 3 females be chosen, then compute the cases where the males are in the study group)
Suppose 9 students are forming a study group, 4 of them are male and the rest arře female. In how many ways there exactly 3 females in the study group (no limits on the males)? (hint: this is a two-step question. First compute howm ways can 3 females be chosen, then compute the cases where the males are in the study group)
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 36SE: The number of 5-element subsets from a set containing n elements is equal to the number of 6-element...
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