Question

In 1990, 94% of all adult Americans either had children or wanted children. Suppose a 2020 study covered the same issue, and the sample proportion was 1140/1200. A 99% confidence interval was computed, and the interval was (0.93, 0.97). Does this provide evidence that the proportion of adult Americans who had or wanted children has changed since 1990? Why or why not?
A. Yes, because 1140/1200 = 0.95 is not equal to 0.94.
B. No, because 0.94 and 0.95 are not very far apart.
C. Yes, because proportions are not the same from one sample to the next.
D. Yes, because 0.94 is in the confidence interval from 2020.
E. No, because 0.94 is in the confidence interval from 2020.

Answer 1

Answer:

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