the conditional relative frequency table was generated using data that compared a student’s grade level and whether or not they are involved in after-school activities.

a 4-column table with 3 rows. the first column has no label with entries 10th grade, 11th grade, total. the second column is labeled after-school activities with entries 0.43, 0.55, 0.49. the third column is labeled no after-school activities with entries 0.57, 0.45, 0.51. the fourth column is labeled total with entries 1.0, 1.0, 1.0.

given that a student is in 10th grade, what is the probability that the student is also not involved in after-school activities?
0.43
0.45
0.55
0.57