SOLUTION: During a year ending April 30 of that year, there were approximately 5.0 million sales of existing homes in the United States, of which 1.1 million were sold in the West. During Ap

Question 1196446: During a year ending April 30 of that year, there were approximately 5.0 million sales of existing homes in the United States, of which 1.1 million were sold in the West. During April of that year there were a total of 450,000 existing homes sold in the United States, of which 120,000 were sold in the West. (Round your answers to two decimal places.)
(a)
Find the probability that a home sale in the year ending April 30 of that year, took place in the West, given that the home was sold during April of that year.

Correct: Your answer is correct.
(b)
Find the probability that a home sale in the year ending April 30 of that year, took place in April of that year, given that it took place in the West.
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
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(1)   During a year ending April 30 of that year, there were approximately 5.0 million sales
        of existing homes in the United States, of which 1.1 million were sold in the West.

(2)   During April of that year there were a total of 450,000 existing homes sold in the United States,
        of which 120,000 were sold in the West. (Round your answers to two decimal places.)

(a)   Find the probability that a home sale in the year ending April 30 of that year,
        took place in the West, given that the home was sold during April of that year.

(b)   Find the probability that a home sale in the year ending April 30 of that year,
        took place in April of that year, given that it took place in the West.
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            First thing to do is to format the problem's text in a way as I did it - - - for easy reading.

            After that the matter is to read the text attentively - - - then the solution is easy.

            I also recommend to numerate statements for easy referring.

(a)  Question (a) is focused on sales during April.  The info about these sales is in part (2).

     So, we extract and use numbers from this part.  

     After that, we write the ANSWER:  P =  =  = 0.27  (rounded).



(b)  Question (b) is focused on sales during the entire year.  The info about these sales is in part (1).

     So, we extract and use numbers from this part.  

     After that, we write the ANSWER:  P =  = 0.22.

Solved.

This simple problem teaches you to organize your material and organize your thoughts.

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