There are 7 different time periods in a day during which classes at BRAC University can be scheduled. If there are 597 classes of different courses held per day, what is the minimum number of classrooms that will be needed? (b) What is the minimum number of students, each of whom comes from one of the 64 districts of Bangladesh, which must be enrolled in BRAC University to guarantee that there are at least 200 who come from the same district?

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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(a) There are 7 different time periods in a day during which classes at BRAC University can be
scheduled. If there are 597 classes of different courses held per day, what is the minimum
number of classrooms that will be needed?

(b) What is the minimum number of students, each of whom comes from one of the 64 districts
of Bangladesh, which must be enrolled in BRAC University to guarantee that there are at least
200 who come from the same district?

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