Mathematics, 07.10.2019 23:00, damiangomzzz903

Anational study report indicated that 20.9% of americans were identified as having medical bill financial issues. what if a news organization randomly sampled 400 americans from 10 cities and found that 90 reported having such difficulty. a test was done to investigate whether the problem is more severe among these cities. what is the p-value for this test? (round to four decimal places.)

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Anational study report indicated that 20.9% of americans were identified as having medical bill fina...