Hypothesis test for a population proportion
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The manufacturer of a new antidepressant claims that, among all people with depression who use the drug, the proportion p of people who find relief from depression is at least 80% . A random sample of 215 patients who use this new drug is selected, and 170 of them find relief from depression. Based on these data, can we reject the manufacturer's claim at the .05 level of significance?
Perform a one-tailed test. Then fill in the table below.
null hypothesis
alternative hypothesis =
the type of test statisitc and degree of freedom if needed.
value of test statistic
p value
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A hypothesis test for a population proportion is examined.
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Hypothesis test for a population proportion
The manufacturer of a new antidepressant claims that, among all people with depression who use the drug, the proportion p of people who find relief from depression is at least ...
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