Question

suppose 1,600 of 2,000 registered voters sampled said they planned to vote for the republican candidate for president. using 0.95 degree of confidence, what is the interval estimated for the population proportion(to the nearest tenth of a percent)? A.) 78.2% to 81.8% B.)69.2% to 86.4% C.) 76.5% to 83.5% D.) 77.7 to 82.3%

what is the critical value for a one-tailed hypothesis test in which a null hypothesis is tested at the 5% level of significance based on a sample of 24? A.)1.708 B.) 1.714 C.) 2.060 D.) 2.064

Answer #1

uestion
Question 10 5 pts
Suppose 1,600 of 2,000 registered voters sampled said they
planned to vote for the Republican candidate for president. Using
the 95% level of confidence, what is the interval estimate for the
population proportion (to the nearest 10th of a percent)?
Group of answer choices
77.7% to 82.3%
69.2% to 86.4%
76.5% to 83.5%
78.2% to 81.8%

4. In a sample of 100 registered voters, 54 said that they might
vote for Candidate A. Test
the research hypothesis that Candidate A’s approval rating is
greater than 50% against the
null hypothesis that it is 50%. Give a p-value for the preceding
problem ??
Show work please

In a recent poll, 134 registered voters who planned to
vote in the next election were asked if they would vote for a
particular candidate and 80 of these people responded that they
would. We wish to predict the proportion of people who will vote
for this candidate in the election.
a) Find a point estimator of the proportion who would vote for
this candidate.
b) Construct a 90% confidence interval for the true proportion
who would vote for this...

In a recent poll, 134 registered voters who planned to vote in
the next election were asked if they would vote for a particular
candidate and 80 of these people responded that they would. 1. 1.
We wish to predict the proportion of people who will vote for this
candidate in the election.
a) Find a point estimator of the proportion who would vote for
this candidate.
b) Construct a 90% confidence interval for the true proportion
who would vote...

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