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bcox32314
08.10.2021 •
Mathematics
ivy finsihes eachbpuzzle with a normal distrubution oc times where u=6 kinuyrd and o=14 minutes. determine the probability of 22 competed puzzles having an average of 10 minutes or shorter
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Ответ:
-2(20)+4y=-4
-40+4y=-4
-36=-4y
9=y