document.write( "Question 1126131: A real estate agent has 13 properties that she shows. She feels that there is a 40% chance of selling any one property during a week. The chance of selling any one property is independent of selling another property. Compute the probability of selling at least 1 property in one week. \n" ); document.write( "

Algebra.Com's Answer #742460 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "According to the condition, for any single property the probability not selling it during a week is 100% - 40% = 1 - 0.4 = 0.6.\r\n" );
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document.write( "The probability not selling any one of 13 properties during a week is  .\r\n" );
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document.write( "The probability to sell at least 1 property in one week is the COMPLEMENT to it  \r\n" );
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document.write( "    1 -  = 0.9987 = 99.87%.     ANSWER\r\n" );
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