Dr. Barba, like most doctors, tends to the probability that a person has a disease when a test result is positive. To accurately calculate this probability, one of the factors that Dr. Barba needs to know is the percentage of people in the population who actually have the disease, which is known as the rate.

You have previously chosen a side to an issue, stated a claim, and you have written ideas about your claim in your argument organizer. now you will use your ideas from the organizer (and tips from this lesson) to write the introduction to your argument. in your introduction, remember to include: basic information on your topic a reason to care about the issue your specific claim that is clearly focused on your issue (exclude all personal feelings and the pronoun “i”) write three or more complete sentences write in formal style using the third person point of view. use correct grammar, punctuation, and spelling.