A certain drug is used to treat asthma. In a clinical trial of the drug, 27 of 257 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display...

Extracted text: A certain drug is used to treat asthma. In a clinical trial of the drug, 27 of 257 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 8% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.05 significance level to complete parts (a) through (e) below. 1-PropZTest prop <0.08 z="1.480745422" p="0.9306627874" d="0.1050583658" n="257" a.="" is="" the="" test="" two-tailed,="" left-tailed,="" or="" right-tailed?="" o="" right="" tailed="" test="" two-tailed="" test="" left-tailed="">