Question

A math class has 9 girls and 1 boy in the seventh grade and 3 girls and 3 boys in the eighth grade. The teacher randomly selects a seventh grader and an
eighth grader from the class for a competition. What is the probability that the students she selects are both boy?

Answer 1

Answer:

10% of choosing a 7th grade boy.

50% of choosing 8th grade boy

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

prob(boy 7th grade)= 1/10  it is just one boy out of 10 students

prob(boy 8th grade)= 3/6=1/2  there are 3 boys out of 6 students

Prob(both boys)=( 1/10)*(1/2)=1/20