Question

Acers 18 Blazers 80 Outbacks 83 Quasars 77 Voyagers 82 Total 400 The principal uses a computer to randomly select the name of a student from all the students in the schoolWith the computer program, it is possible to draw the name of the same student twiceIf the principal selects the name of a student from the Blazers on the first try, what is the probability she will draw the name of another student from the Blazers on the second try?

Answer 1

If the principal selects the name of a student from the Blazers on the first try, there are now a total of 17 Blazers left in the pool of students. Therefore, the probability she will draw the name of another student from the Blazers on the second try is:

17 Blazers left / 399 total students left = 0.0426 or 4.26% probability