Suppose 8 out of every 20 students are absent from school less than five days a year. Predict how many students would be absent from school less than five days a year out of 40,000 students.
8/20 = 2/5
(2/5) * 40,000 = ?
Flip!
To predict the number of students who would be absent from school less than five days a year out of a given total, you need to calculate the proportion of absent students and apply it to the total number.
Step 1: Calculate the proportion of absent students who attend less than five days a year.
Out of every 20 students, 8 are absent less than five days a year. To find the proportion, divide the number of absent students by the total number of students:
Proportion = Number of absent students / Total number of students = 8 / 20 = 0.4
Step 2: Apply the proportion to the given total number of students.
To find the predicted number of absent students from a larger population, multiply the proportion by the total number of students. If we have 40,000 students, we can use the proportion (0.4) to predict the number of students absent less than five days a year:
Prediction = Proportion x Total number of students = 0.4 x 40,000 = 16,000
Therefore, it is predicted that out of 40,000 students, approximately 16,000 students would be absent from school less than five days a year.