Question

There are 4 boys and 7 girls in class the teacher randomly selects one student to answer questions later this teacher randomly selects a different students to answer another question. find the probability that the first student is a boy and the second is a girl

Answer 1

first student's boy probability=4/11

second student's girl probability=6/10 or 7/10

Answer 2

Answer: 7 + 4 = 11, 4/11 = 0.36, 7/11 = 0.64

prob. of student being a boy is 0.36

prob. of student being a girl is 0.64

Explanation:

to find the probability, you first add the numbers together to find the sum and divide the number of people from each gender by the sum