'Answer the following question; round your answer to three decimal places_
Car
Bus
Other Method
Total
Grade 9
1,141 1,126
3,196
228
4,565
Grade 10
1,770
322
3,218
Grade 11
1,732
799
133
2,664
Grade 12
1,676
447
111 794
2,234
Total
5,674
6,212
12,681
If a grade 10 student is selected at random; what is the probability that they ride a bus to school?'