The Pew Research Center survey reported that 55% of young singles are unattached
ID: 3177103 • Letter: T
Question
The Pew Research Center survey reported that 55% of young singles are unattached. The size of the randomly selected sample was 1080. The purpose of this survey is to estimate the percentage of young singles that are unattached.
(d) Which of these interpretations of the confidence interval in part (c) is correct? Identity all correct statements.
A. 99% of samples (of 1080 randomly selected young singles) would have proportions of young singles who are unattached that fall in the interval from part (c).
B. 55% of young singles would say that they prefer to be unattached 99% of the time.
C. In 99% of all samples (of 1080 randomly selected young singles), 55% of young singles are unattached.
D. 99% of samples (of 1080 randomly selected young singles) would give a confidence interval that contains the true population rate of young singles who are unattached.
E. Either the true parameter – the proportion of all young singles who are unattached – is in the interval from part (c), or it is not.
F. 99% of samples (of 1080 randomly selected young singles) would give the same confidence interval as the one in part (c).
pq to construct a 99% confidence interval for the percentage of (c) Se ptME young singles that are unattached. Describe, or show, how you obtained the value of z* you use. Verify that you get the same confidence interval using the TI calculator's 1-PropZInt function. Report both the confidence interval and the margin of error of this confidence interval with at least five digits after the decimal point.Explanation / Answer
from above option A is correct
A. 99% of samples (of 1080 randomly selected young singles) would have proportions of young singles who are unattached that fall in the interval from part (c).
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