Mathematics, 21.01.2020 01:31 dairysoto9171
A2010 study conducted by the health services research department of the national center for biotechnology information compared mortality rates for patients with acute myocardial infarction in hospitals in states that do not have mandated minimum nurse‑to‑patient ratios with california, which does have mandated minimum nurse‑to‑patient ratios.
suppose the researchers wanted to determine if the mortality rate was higher in those states than the established rate in california. their sampling method can be considered to be a simple random sample of a very large number of patients who were treated for acute myocardial infarction, the medical name for a heart attack.
which inference procedure listed would be appropriate?
one-sample, two-sided z ‑test for a mean
one-sample, two-sided z ‑test for a proportion
one-sample, right-sided z ‑test for a proportion
one-sample, z ‑confidence interval for a proportion
Answers: 2
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A2010 study conducted by the health services research department of the national center for biotechn...
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