medium · GMAT Quant
A hospital monitors 30 patients. Exactly 10 were treated by Doctor A and 20 were treated by Doctor B. Reports indicate that 2 patients of Doctor A and 8 patients of Doctor B were discharged early.
If a patient is selected at random and it is known they were discharged early, what is the probability they were treated by Doctor A?
- dfrac115
- dfrac15
- dfrac15
- dfrac45
- dfrac220
Sign up free to see the explanation and track your rank →
More GMAT Quant practice
- Including both endpoints, how many distinct integer price points are in this range?
- Which of the following expressions must result in a positive value?
- Which property of arithmetic justifies that first step?
- Which of the following must also be an even integer?
- Which of the following inequalities correctly represents this range?
- Which of the following includes the number 0?
- How many unique meal combinations can a customer create?
- What is the probability that the lightbulb is functional?