Question

Giving a test to a group of students, the grades and gender are summarized below a b c total male 13 15 2 30 female 3 5 7 15 total 16 20 9 45 if one student is chosen at random, find the probability that the student did not get an "b" round answer to 4 decimal places. incorrect

Answer 1

To find the probability that a student did not get a 'b' when chosen at random, we need to calculate the number of students who did not get a 'b' and divide it by the total number of students.

Step-by-step explanation:

To find the probability that a student did not get a 'b' when chosen at random, we need to calculate the number of students who did not get a 'b' and divide it by the total number of students.

From the given data, the total number of students who did not get a 'b' is 16+9=25. The total number of students is 45. So, the probability is 25/45, which simplifies to 5/9. Therefore, the probability that the student did not get a 'b' is approximately 0.5556.