Mathematics, 01.06.2021 01:00, schoolboyq3017
College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal distribution, what percent of students failed the test (grade<60)?
2%
48%
34%
14%
Answers: 2
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Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.
Answers: 1
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