Content: teorver_3885.doc (30.00 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
3885. The collector receives an average of 50% of parts of plant number 1, 35% of plant number 2, the remaining parts from plant number 3 The probability that a part of plant number 1 of excellent quality is 0.8 for parts of the second and third plants, these probabilities, respectively equal to 0.76 and 0.92. Find the probability that:
1) at random taken detail of excellent quality;
2) and this part is made by factory №2.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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