A part of a promotion, students who participate in a survey are mailed a free pass for one of three activities: movies, roller skating, or bowling. Participants have an equal chance of receiving each type of pass. If 900 students participate, how many would be expected to receive a pass for roller skating?(1 point)
Responses
2/3
600
450
300
450 students would be expected to receive a pass for roller skating.
On the math test, Samantha missed 4 of the 20 questions. What is the relative frequency of correct responses?(1 point)
Responses
0.2
0.2
0.8
0.8
0.4
0.4
0.16
The relative frequency of correct responses can be calculated by dividing the number of correct responses by the total number of questions. Samantha got 20-4=16 questions correct.
Relative frequency = 16/20 = 0.8
Therefore, the relative frequency of correct responses is 0.8.