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

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

94% of patients taking the drug are healed within 8 weeks. In clinical trials, 223 of 235 patients suffering from acid reflux disease were healed after 8 weeks. Test the
manufacturer’s claim at the a= 0.01 level of significance.
Click here to view the standard normal distribution tablo_(rage 1). Click here to view the standard normal distribution table (page 22
Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed)
A. 120/2= + 0 284
OB 2 – 0 284

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