Using proportions, it is found that:
A. 165 students can be expected to oppose school uniforms.
B. From the sample, the most likely outcome is in favor, as it got the most responses, hence we should disagree with Bernice.
A proportion is a fraction of a total amount.
Item a:
Out of 80, 11 opposed, hence, out of 1200, we apply the proportion and find that the amount will be of:
1200 x 11/80 = 165.
Hence, 165 students can be expected to oppose school uniforms.
Item b:
From the sample, the most likely outcome is in favor, as it got the most responses, hence we should disagree with Bernice.
More can be learned about proportions at https://brainly.com/question/24372153