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A certain drug can be used to reduce the acid produced by the body and heal...

A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 95% of patients taking the drug are healed within 8 weeks. In clinical​ trials, 216 of 232 patients suffering from acid reflux disease were healed after 8 weeks. Test the​ manufacturer's claim at the α=0.05 level of significance.

a) Because np0 (1-p0) = _Integer_ _( < or > or =)_ 10, the sample size is __> or <___ 5% of the population size, and the sample ___Random or not random____________, the requirements for testing the hypothesis ______ satisfied.

b) What are the null and alternative hypotheses?

H0: ___ ___ ___ versus H1: ___ ___ ___ (DO NOT ROUND)

c) Determine the critical value(s).

za= ____ or +- Za/2 = +- ___

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