MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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In recent years, approximately 55% of eligible voters take the time to vote in presidential elections. A poll based on a random sample of 200 eligible voters finds that 128 plan to vote in the next presidential election.
Does this data provide convincing evidence at the ?α = 0.05 level that the proportion of eligible voters who will take time to vote in the next presidential election differs from 0.55?
Transcribed Image Text:DO:
(Enter 3 decimal places)
z =
(Round to 2 decimal places)
P-value =
(Enter at least 4 decimal places)
CONCLUDE:
Because the P-value
a = 0.05, we
Но. There
convincing evidence that the
proportion of
that plan to vote in the next presidential election is
0.55.
II
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