The following table shows the evaluation of 50 students in one month:
If a student is randomly selected, find the probability of his score being good.
The probability of an event is the ratio between the number of
outcomes of the event and the number of all possible outcomes in
the sample space.
To find the probability that a randomly selected student's score
is good, divide the number of students who received a good score
by the total number of students.
To express the probability as a percentage, multiply it by 100: