The accompanying table shows the result of a national election
along with the vote predicted by several organizations in the days
before the election. The sample sizes were typically a bit
above
1,000
people, and the reported margin of error was around plus or
minus
3
percentage
points. The percentages for each poll may not sum to 100 because of
voters who indicated they were undecided.
1. The News Network 1 poll predicted that
50%
were
going to vote for Candidate
A,
with
a margin of error of plus or minus
3%.
Explain
what this means. Select the correct choice below and fill in the
answer boxes to complete your choice.
A)
All samples have a sample proportion that is within ___ percentage
points of ___%.
B)
The actual proportion of voters for Candidate
A
is
likely to be more than ____ percentage points away from
___%.
C)
The true proportion of voters for Candidate
A
is
within ____ percentage points of ____%.
The accompanying table shows the result of a national election along with the vote predicted by several organizations in
-
- Site Admin
- Posts: 899589
- Joined: Mon Aug 02, 2021 8:13 am