Content: teorver_3997.doc (28.50 KB)
Uploaded: 21.02.2019

Positive responses: 0
Negative responses: 0

Sold: 2
Refunds: 0

Seller: Massimo86
information about the seller and its items

Ask a question

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
3997. Of the 30 kinescopes available in a television studio, 7 are produced by plant number 1, 15 by plant number 2, eight by plant number 3. The probability that the picture tube manufactured by plant number 1 will not fail during the warranty period is 0.95. For a kinescope of plant number 2, this probability is 0.9, and for plant number 3 it is 0.8. Selected at random kinescope withdrew the warranty period. Find the probability that it was a kinescope manufactured by plant number 3.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
No feedback yet