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a pharmaceutical manufacturer has come up with a new drug intended to provide greater headache relief...

a pharmaceutical manufacturer has come up with a new drug intended to provide greater headache relief than the old formula. of 250 patients treated with the previous medication, 130 reported fast relief from headache pain. of 200 individuals treated with the new formula 128 said they got fast relief. at the 0.05 level...

a) what is the calculated value of the pooled estimate of the population proportion?
b) what is the calculated value of the test statistic?
c) what is your conclusion based on calculated value of test statistic and critical value? -reject H0- or -do not reject H0-

math   Statistics-And-Probability   
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