In a mobile network company, one in every seven subscribers is in a conversation with other subscriber in the network from 8PM to 9PM. What is the probability that when 11 mobile numbers are chosen, only 5 are in use? Round to four decimal places.

In a mobile network company, one in every seven subscribers is in a conversation with other subscriber in the network from 8PM to 9PM. What is the probability that when 11 mobile numbers are chosen, only 5 are in use? Round to four decimal places.

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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