1. 700 calories
2. Half a serving
3.x=serving
350x=calories
A. Yes because it passes the vertical line test
According to the situation described, the appropriate set of hypotheses for her significance test is given by:
.
.
<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the proportion is still of 42%, that is:
.
At the alternative hypothesis, it is tested if the proportion is now lower, that is:
.
Hence, the the appropriate set of hypotheses for her significance test is given by:
.
.
More can be learned about an hypothesis test at brainly.com/question/26454209
9/36 and 1/4 because you and divide and multiple those