Calculate what is the probability that someone has planned to buy or actually has bought?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Hello Sir.
Good Evening.

I have a question in my home work related Statistics lesson. The following below is my question.
Please advise and Thank you so much.

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
100
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 50 100 700 250 750 1000 Total Calculate what is the probability that someone has planned to buy or actually has bought?
Expert Solution
Step 1

Consider the events,

A: someone has planned to buy

B: Someone actually has bought.

We have to find the probability that someone has planned to buy or actually has bought.

i.e. P(A or B)

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