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Mathematics, 23.05.2020 02:57, tiffany1711
A group of students at a high school took a standardized test. The number of students who
passed or failed the exam is broken down by class year in the following table. Determine
whether class year and passing the test are independent by filling out the blanks in the
sentence below. Write your answers as a decimal and round all probabilities to the
nearest hundredth.
Passed
12
27
Underclassman Upperclassman Total
15
20
16 36
35
28 63
Failed
Total
Since P(Passed) =
and P(Passed Underclassman) =
, the two results are
(write equal or not equal) so these events are
(write independent or not independent)
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Answers: 2
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