A part of a promotion students who participate in a survey are mailed a free pass for $13 activities movies roller skating or bowling participation have an equal chance of receiving each type of past if 900 students participate how many would be expected to receive a pass for roller skating a 2/3 b600 D4 50d 300
The probability of receiving a pass for roller skating is 1/3, as there are three types of passes and each has an equal chance.
Therefore, the expected number of students who would receive a pass for roller skating out of 900 participants is:
900 participants * (1/3) = 300
So, the correct answer is 300 students.