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An electronics company took a sample of 100 households and the next respondent was asked whether they planned to buy a large television set or not, the following year the same respondent was asked whether they had actually bought the large television or not? Total plan to buy Yes No Total Yes 200 100 300 have purchased No 50 650 700 250 750 1000 Calculate what is the probability that someone has planned to buy or actually has bought?

An electronics company took a sample of 100 households and the next respondent was asked whether they planned to buy a large television set or not, the following year the same respondent was asked whether they had actually bought the large television or not? Total plan to buy Yes No Total Yes 200 100 300 have purchased No 50 650 700 250 750 1000 Calculate what is the probability that someone has planned to buy or actually has bought?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An electronics company took a sample of 100 households and the next respondent was asked whether they planned to buy a large television set or not, the following year the same respondent was asked whether they had actually bought the large television or not? plan to buy Yes No Total Yes 200 100 300 have purchased No 50 650 700 250 750 1000 Total Calculate what is the probability that someone has planned to buy or actually has bought?
Transcribed Image Text:An electronics company took a sample of 100 households and the next respondent was asked whether they planned to buy a large television set or not, the following year the same respondent was asked whether they had actually bought the large television or not? plan to buy Yes No Total Yes 200 100 300 have purchased No 50 650 700 250 750 1000 Total Calculate what is the probability that someone has planned to buy or actually has bought?
Expert Solution
Additional rule : 

Let A & B are the two events, as per additional rule of probability we have following formula

                P( A or B) = P(A) + P(B) - P(A and B) 

Using this rule, we can solve the given problem 

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