6 members of an 11-person board of directors can decide on a specific issue proposal, 5 of them think against it. 4 randomly selected from this board the number of members who think in favor of the draft resolution, a)have two b)Calculate the probability that it is at least 3.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
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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6 members of an 11-person board of directors can decide on a specific issue
proposal, 5 of them think against it. 4 randomly selected from this board
the number of members who think in favor of the draft resolution,

a)have two

b)Calculate the probability that it is at least 3.

 

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