Question

methadone is a synthetic drug whose effect on the body is similar to that of morphine and heroin. methadone has been used to help people control their addictions to these other drugs. the following histogram summarizes information from a study of 25 methadone clinic patients. in the study, the daily dosage for each methadone clinic patient was recorded. based on the histogram, find the proportion of daily dosages in the sample that are at least 200 milligrams. write your answer as a decimal, and do not round your answer.

Explanation:

Step1: Identify the relevant bar

The bar for dosages of at least 200 milligrams is the last bar in the histogram. Its relative - frequency is the proportion we need.

Step2: Determine the proportion

The relative frequency of the bar representing dosages of at least 200 milligrams is 0.08.

Answer:

0.08