1. A committee of 7 people A, B, C, D, E, F, G needs to vote on a board consisting of a chairman

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Supreeta N · Answer

Hi here for the first part of the question we are given that to calculate the number of ways two

Kathleen Carty · Answer

We have 21 members in a class. The first problem, A, we want to know how many ways can we choose

Sri K · Answer

Hello everyone, so let&#x27;s look into this question. So there are six members on a board of directo

Supreeta N · Answer

Hi, now we are going to find the number of ways to select a 4 person subcommittee. Now the given

Gregory Higby · Answer

With this problem, we basically have a difference between a combination and a permutation. And s

1. A committee of 7 people A, B, C, D, E, F, G needs to vote on a board consisting of a chairman, a vice-chairman and a secretary. (a) How many ways to vote are there such that either A or B is the chairman? (b) How many ways to vote are there such that either D or F is a board member?