Question

A principal simulated a student raffle using 500 trials and recorded the grade level of the winner each time. The results are shown in the table.

Based on the data from the simulation, what is the probability that the winner will be in Grade 11?

Answer 1

0.16

Explanation:

Given the data:

Students __ `Gr_9 __Gr_10 __ G_11 __G_12

Frequency : 152 ___130 ______ 80 ___98

The probability is :

Frequency of grade 11 / number of trials

80 / 500