A Pharmaceutical Company Believes That a New Drug Should Lower

A pharmaceutical company believes that a new drug should lower blood pressure. In a random sample of 30 test subjects, their blood pressure was measured before taking the drug and then after taking the drug.
It was found that 25 had a lower blood pressure reading after taking the drug while 5 had a higher blood
Pressure reading. Using =.05, is there enough evidence to support the pharmaceutical company?

A) The critical value is less than the test statistic; therefore, there is not enough evidence to support the pharmaceutical company.
B) The critical value is greater than the test statistic; therefore, there is not enough evidence to support the pharmaceutical company.
C) he critical value is less than the test statistic; therefore, there is enough evidence to support the pharmaceutical company.
D) The critical value is greater than the test statistic; therefore, there is enough evidence to support the pharmaceutical company.