22. The astrology software package Java Kimset is designed to help day traders choose stocks based on the position of the planets and constellations. When Benjamin ran it yesterday, it informed him that there was a .5 probability that Amazon.com will go up this afternoon, a .2 probability that Yahoo.com will go up this afternoon, and a .2 chance that both will go up this afternoon. What is the probability that either Amazon.com or Yahoo.com will go up this afternoon?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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22. The astrology software package Java Kimset is designed to help
day traders choose stocks based on the position of the planets and
constellations. When Benjamin ran it yesterday, it informed him
that there was a .5 probability that Amazon.com will go up this
afternoon, a .2 probability that Yahoo.com will go up this
afternoon, and a .2 chance that both will go up this afternoon.
What is the probability that either Amazon.com or Yahoo.com will
go up this afternoon?
Transcribed Image Text:22. The astrology software package Java Kimset is designed to help day traders choose stocks based on the position of the planets and constellations. When Benjamin ran it yesterday, it informed him that there was a .5 probability that Amazon.com will go up this afternoon, a .2 probability that Yahoo.com will go up this afternoon, and a .2 chance that both will go up this afternoon. What is the probability that either Amazon.com or Yahoo.com will go up this afternoon?
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