Content: teorver_3945.doc (38.50 KB)
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Loyalty discount! If the total amount of your purchases from the seller more than:

$3 the discount is 1%
$6 the discount is 2%
$9 the discount is 3%
$12 the discount is 4%
$15 the discount is 5%
$18 the discount is 6%
$20 the discount is 7%
$30 the discount is 10%
$0.32
3945. The clock shop comes from three factories, with 40% coming from the first factory, 35% from the second, and 25% from the third. The probability of marriage in the first factory is 0.06, in the second - 0.07, and in the third - 0.08. The selected watches were defective. What is the probability that this watch is a) from the first factory? b) from the second factory? c) from the third factory?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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