The percentage of companies that had their stock price increased at the NY Stock Exchange on a

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The percentage of companies that had their stock price increased at the NY Stock Exchange on a particular day is 45%. If we take a sample of 15 companies, the number of those who did not have an increase on that day has a distribution which is

(a) Nb(15, 0.45)

(b) (6.75)

(c) G(0.45)

(d) b(15, 0.55)

(e) b(15, 0.45)

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Introduction To Probability Volume 2

ISBN: 9781118123331

1st Edition

Authors: Narayanaswamy Balakrishnan, Markos V. Koutras, Konstadinos G. Politis

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