Again Just checking Answer a. is the test two-tailed left-tailed or right tailed Answer Left -tailed test B. What is the test test statistic z = -0.69 C What is P-value P = 0.2457D Null hypothesis Ho p = 0.09C Reject the null hypothesis because of P-values greater than the significant level a D Final conclusion There is sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches

This Question: 4 pts 4 of 5 (4 compi A certain drug is used to treat asthma. In a clinical trial of the drug, 23 of 293 treated subjects experienced headaches (based on data from 1-PropZTest the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 9% of treated subjects prop