A new drug was tested on 500 patients, and 350 of them showed significant improvement. The total population of patients who could benefit from this drug is estimated to be 100,000. Which of the following statements is not necessarily true based on this data?
Approximately 70% of patients in the study showed improvement.
If the drug is given to 100,000 patients, about 70,000 would be expected to show improvement.
The drug is guaranteed to improve the condition of 70% of all patients who take it.
The study suggests the drug is effective for a majority of patients.
