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Five boys and four girls are waiting for the MRT to arrive at Guadalupe Station. In how many wa can they be seated inside the train if: a.) they can sit anywhere? b.) boys can sit together as with the girls? c.) the boys and girls will sit alternately? d.) if no two girls will sit next to each other? e.) Mara and Clara are with the group and want to sit together all the time?

Five boys and four girls are waiting for the MRT to arrive at Guadalupe Station. In how many wa can they be seated inside the train if: a.) they can sit anywhere? b.) boys can sit together as with the girls? c.) the boys and girls will sit alternately? d.) if no two girls will sit next to each other? e.) Mara and Clara are with the group and want to sit together all the time?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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2. Five boys and four girls are waiting for the MRT to arrive at Guadalupe Station. In how many ways can they be seated inside the train if: a.) they can sit anywhere? b.) boys can sit together as with the girls? c.) the boys and girls will sit alternately? d.) if no two girls will sit next to each other? e.) Mara and Clara are with the group and want to sit together all the time?
Transcribed Image Text:2. Five boys and four girls are waiting for the MRT to arrive at Guadalupe Station. In how many ways can they be seated inside the train if: a.) they can sit anywhere? b.) boys can sit together as with the girls? c.) the boys and girls will sit alternately? d.) if no two girls will sit next to each other? e.) Mara and Clara are with the group and want to sit together all the time?
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