In: Accounting

You obtain the following results from an election poll.

a) Liberals obtain 38% with a sample size of 500.Will
they receive over 40% support in the election

b) Liberals obtain 51% with a sample size of 500000.
Will they receive a majority vote in the election presuming that
50% is the threshold for a majority government.

Situation A:

In this Scenario, Sample of 500 hs been selected. Out of that 38% obtained by Liberal. If we increases the sample size, there might be chances of getting 40% of that samples. So Liberals getting 40% depends on incresing the samples and testing those samples once again for getting more accurate results as always in sampling if we increase the samples, the risk from sampling could get reduced.

Situation B:

In this Scenario, sample size is 500000. But we don't have the information about the total population out of which the sample of 500000 is drawn. If sample size is considerably larger, then chances of getting majority vote is there as the sampling gives the result of 51%. But if the sampe size is very less than the total population, then there might be huge amount of sampling risk leading to an actual outcome which is different from the expected outcome as determined by sampling.

You have been given the task of organizing a poll regarding an
upcoming election. The object is to estimate the proportion of the
country that will vote to keep the current government in power. You
have been told to collect a sample and find a 95% confidence
interval for the proportion. This interval is allowed to have a
margin of error of 4%. A preliminary investigation suggests that
the proportion of people that will vote to keep the current
government...

You have been given the task of organizing a poll regarding an
upcoming election. The object is to estimate the proportion of the
country that will vote to keep the current government in power. You
have been told to collect a sample and find a 95% confidence
interval for the proportion. This interval is allowed to have a
margin of error of 4%. A preliminary investigation suggests that
the proportion of people that will vote to keep the current
government...

Find the results of an opinion poll from the internet, a
newspaper, or a magazine
Describe your case briefly and discuss how they explored the
data, which tools and statistics had been applied (e.g., plot,
mean, standard deviation…)

The local news provided poll results from 2000 adults
who interview job applicants. The results showed that 35% of the
adults said their biggest issue with interviewers is them not
knowing company history. The margin of error was given as +/- 4
percentage points. Answer the following questions:
a. What important piece of information was omitted from the
statement above?
b. What is meant by the statement that "the margin of error is +/-
4 percentage points"?
c. What are...

Near the time of an election, a cable news service performs an
opinion poll of 900 probable voters. It shows that the Republican
contender has an advantage of 51% to 49%.
a. Develop a 98% confidence interval for the proportion favoring
the Republican candidate. (Round your answers to 3 decimal
places.)
b. Estimate the probability that the Democratic candidate is
actually leading. (Round your answer to 4 decimal places.)
c. Repeat the above analysis based on a sample of 4,600...

Subjects for the next presidential election poll are contacted using telephone numbers in which the last four digits are randomly selected (with replacement) find the probability that for one such phone number, the last four digits include at least one 0.

In a pre election poll, a candidate for district attorney receives
380 of 750 votes. Assuming that the people polled represent a
random sample of the voting population, test the claim that a
majority of voters support the candidate. Use a 0.05 significance
level to conduct a hypothesis test using the four-step
procedure.

A poll taken before an election finds that 42 of 80 people asked
favored the incumbent candidate. What is the 99% confidence
interval for the proportion of voters that favor the incumbent?

In a pre-election poll, a candidate for district attorney
receives 204 of 400 votes. Assuming that the people polled
represent a random sample of the voting population, test the claim
that the majority of voters support the candidate. Use a 0.05
significanc3e level to conduct a hypothesis test using the four
step procedure.
H0:p=0.5 Ha:p>0.05
Find the test statistic.
z=?
p=?
is it right, left, or two tailed?

What views (there are two major ones) distinguish those French
economists following Gournay (the “Liberals”) from the
Physiocrats?

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