Using the z-distribution, it is found that the correct option regarding the question in the problem is given by:
B. No, since the confidence interval includes values less than 50%, his opponent may get more votes.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:

In which:
is the sample proportion.
In this problem, we have a 95% confidence level, hence
, z is the value of Z that has a p-value of
, so the critical value is z = 1.96.
In this problem, the parameters are given as follows:

Hence, the bounds are given by:


The lower bound is below 0.5, hence option B is correct.
More can be learned about the z-distribution at brainly.com/question/25890103
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Answer:
c
Step-by-step explanation:
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Answer:
9.43%
Step-by-step explanation:
Divide the Chips Ahoy sales by the total sales, then multiply by 100
(294.6/3,124) x 100
= 9.43%
So, 9.43% of the total cookie sales were from Chips Ahoy
Answer:
C- (0,-8) the graph approaches y=-9 to the left.
Step-by-step explanation:
As you can see it starts at 0,-8 and rises up to-9.
Answer:
C
Step-by-step explanation:
Cos (angle) = Adjacent/Hypotenuse
Cos 20° = 12/x