In an examination 45%students passed in science only ,25% passed in English only and 5% students failed in both subjects if 200 students passed in English, find the total number of students by using Venn diagram. ​

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?