A television sports commentator wants to estimate the proportion
of citizens who "follow professional football." Complete parts
(a) through (c).
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1). LOADING...
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2). LOADING...
Question content area bottom Part 1 (a) What sample size should
be obtained if he wants to be within 2 percentage points with 96%
confidence if he uses an estimate of 54% obtained from a poll?
The sample size is enter your response here. (Round up to the
nearest integer.)
Part 2 (b) What sample size should be obtained if he wants to
be within 2 percentage points with 96% confidence if he does not
use any prior estimates? The sample size is enter your response
here. (Round up to the nearest integer.)
Part 3 (c) Why are the results from parts (a) and (b) so
close? A. The results are close because the margin of error 2% is
less than 5%. B. The results are close because 0.54(1−0.54)=0.2484
is very close to 0.25. C. The results are close because the
confidence 96% is close to 100%.
A television sports commentator wants to estimate the proportion of citizens who "follow professional football." Compl
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A television sports commentator wants to estimate the proportion of citizens who "follow professional football." Compl
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