Because the test result was positive, the doctor told the patient, "There is a 99% probability that you are infected." The ...

Engage your GCSE maths class with this completely interactive lesson with self-marking activities for learners taking the GCSE (1-9) course. In this lesson, learners will be able to calculate and ...

Bring conditional probability practice to life with this ready-to-use GCSE Higher Maths around-the-room trail. Fifteen varied exam-style questions turn topic revision into an active, purposeful ...

Author: Chris Boucher (March 2011). This app displays an intricate Venn diagram, containing various combinations of set intersections, unions and complements. Users can shade the area they choose by ...

Conditional probability describes how likely it is that an event (B) occurs under the condition that another event (A) has already occurred. For example: How probable is it that it will rain in an ...