Final answer:
The probability that the teacher will call on a boy in the math class is 5/12 or approximately 0.4167.
Step-by-step explanation:
To find the probability that the teacher will call on a boy, we need to determine the ratio of the number of boys to the total number of students. Out of 24 students, 10 are boys. So the probability of the teacher calling on a boy is:
P(boy) = Number of boys / Total number of students
P(boy) = 10 / 24
P(boy) = 5 / 12
Therefore, the probability that the teacher will call on a boy is 5/12, or approximately 0.4167 when rounded to four decimal places.