tristanortonubca
12.07.2019 •
Mathematics
Amath class has 7 girls and 3 boys in the seventh grade and 5 girls and 5 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 boys? write your answer as a fraction in simplest form.
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Ответ:
Ответ:
the answer is
mean of samples in row 1: 8
Mean of samples in row 2: 5
Mean of samples in row 3: 6
Mean of samples in row 4: 4