You ask randomly chosen students which candidate they will vote for in the upcoming election. A total of 50 students in the samp
1 answer:
You might be interested in
Answer:
(0.185, 0.413)
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence interval
, we have the following confidence interval of proportions.
In which
Z is the zscore that has a pvalue of .
For this problem, we have that:
98% confidence interval
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
So the correct answer is:
(0.185, 0.413)