Question

5. Find the probability of randomly selecting a seventh grader from a school that has 250 sixth graders, 225 seventh graders, and 275 eighth graders. Write the answer as a fraction in simplest form.

Answer 1

number of sixth grade = 250

number of seventh grade = 225

number of eigth grade = 275

Total graders = 250 + 225 + 275 = 750

Therefore, the probability of randomly selecting a seventh grader will be