Question 939438
Ho: p = 0.50 (claim)
Ha: p > 0.50
....
test stat: {{{z =blue (x - mu)/sqrt(blue(p(1-p)/n))}}}
z(.52) = .02/sqrt(.25/(1068)) = 1.3
P(z > 1.30) = normalcdf(1.3,100) = .0968
.0968 > .05
....
D. Do not reject the null hypothesis. Conclude that there is insufficient evidence that more than half of all voters prefer Democrats.