(b) A flowerpot contains 5 red roses and 7 yellow roses. Hana randomly selects some roses from the flowerpot, where the order of selection is not important. In how many ways can Hana select 2 roses of different colors? (i) (ii) can Hana remove 8 roses so that at least 1 red rose and 1 yellow rose remain in the flowerpot?

(b) A flowerpot contains 5 red roses and 7 yellow roses. Hana randomly selects some roses from the flowerpot, where the order of selection is not important. In how many ways can Hana select 2 roses of different colors? (i) (ii) can Hana remove 8 roses so that at least 1 red rose and 1 yellow rose remain in the flowerpot?

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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