22) Your stock portfolio includes 3 categories of companies: Electronics, Automotive, and Pharmaceutical.The table below shows the performances of the stocks in your portfolio after one year.IncreasedUnchangedDecreasedTotalElectronics10725Automotive16.10Pharmaceutical4215Total15201550Find the probability that a Pharmaceutical stock from your portfolio changed in value after one year, that is, iteither increased or decreased.a) 0.12b) 0.4c) 0.2d) 0.9e) 0.5f) none of these

22) Your stock portfolio includes 3 categories of companies: Electronics, Automotive, and Pharmaceutical. The table below shows the performances of the stocks in your portfolio after one year. Increased Unchanged Decreased Total Electronics 10 25 Automotive 1 10 Pharmaceutical 4 6. 15 Total 15 20 15 50 Find the probability that a Pharmaceutical stock from your portfolio changed in value after one year, that is, it either increased or decreased. a) 0.12 b) 0.4 c) 0.2 d) 0.9 e) 0.5 f) none of these

22) Your stock portfolio includes 3 categories of companies: Electronics, Automotive, and Pharmaceutical. The table below shows the performances of the stocks in your portfolio after one year. Increased Unchanged Decreased Total Electronics 10 25 Automotive 1 10 Pharmaceutical 4 6. 15 Total 15 20 15 50 Find the probability that a Pharmaceutical stock from your portfolio changed in value after one year, that is, it either increased or decreased. a) 0.12 b) 0.4 c) 0.2 d) 0.9 e) 0.5 f) none of these

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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