Question

Suppose that the proportion of voters who will vote for Mr. Smith is p=0.41.p=0.41. Let p̂...

Suppose that the proportion of voters who will vote for Mr. Smith is p=0.41.p=0.41. Let p̂ p^ be the sample proportion of voters for Mr. Smith in a random sample of size 106. Find the following probabilities. Do not use the normal approximation.

(a) P(p̂ ≤0.46)

(b) P(0.31≤p̂ ≤0.69)

(c) Find the mean of p̂

(d) Calculate the standard deviation of p̂

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The national vote in the presidential election had 127,676,926 voters. The proportion of voters who voted...
The national vote in the presidential election had 127,676,926 voters. The proportion of voters who voted for Donald Trump was 0.473. Let us consider this to be the population proportion. Fox News ran a poll a few days before the election with a sample size of 1,295. Describe the distribution for the sampling proportion (for Trump) of the Fox News poll (including the mean and the standard deviation). (2 points) The Fox News poll found that the sample proportion of...
The actual proportion of voters who plan to vote for a particular proposition in the next...
The actual proportion of voters who plan to vote for a particular proposition in the next election is 70%, but LaShandra does not know this. LaShandra has been hired by the election campaign to conduct a sample survey to estimate the proportion of voters who will vote for the proposition. LaShandra decides to take a random sample of size 121 from all eligible voters. 33. What is the probability that LaShandra's sample proportion will be within ± 0.03 of the...
The proportion of eligible voters in the next election who will vote for the incumbent is...
The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 52.7%. What is the probability that in a random sample of 470 voters, less than 235 say they will vote for the incumbent? Remember to use the continuity correction and calculate z-scores to at least 3 decimal places. Give probabilities to 4 decimal places. Probability =
suppose that the true proportion of registered voters who favor the republican presidential candidate is 0.4....
suppose that the true proportion of registered voters who favor the republican presidential candidate is 0.4. Find the mean and standard deviation of the sample proportion if the sample size is 45.
The proportion of eligible voters in the State election who will vote for the incumbent is...
The proportion of eligible voters in the State election who will vote for the incumbent is assumed to be 50%. What is the probability that in a random sample of 400 voters less than 48% say they will vote for the incumbent?
The proportion of eligible voters in the next election who will vote for the incumbent is...
The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 52.8%. What is the probability that in a random sample of 490 voters, less than 49.2% say they will vote for the incumbent?
The proportion of eligible voters in the State election who will vote for the Premier is...
The proportion of eligible voters in the State election who will vote for the Premier is assumed to be 53%. What is the probability that in a random sample of 500 voters more than 53% say they will vote for the Premier? a. 0.7765 b. 0.0734 c. 0.2341 d. 0.9336 e. 0.5000
Let the random variable p indicate the population proportion of people who plan to vote for...
Let the random variable p indicate the population proportion of people who plan to vote for Donald Trump in the upcoming election. In a sample of 50 people, you find the sample proportion of people who plan to vote for Donald Trump is  p ^ = .45. Construct a 95% confidence interval for p, the true proportion of people who plan to vote for Donald Trump. You want to test the hypothesis that the population proportion of people who will vote...
Al Gore, the former Vice President of the United States, believes that the proportion of voters...
Al Gore, the former Vice President of the United States, believes that the proportion of voters who will vote for John Kerry in the year 2004 presidential elections is 0.65. A sample of 500 voters is selected at random. A. State the random variable for the sampling distribution in this scenario. B. What is the shape, mean and standard deviation of the sampling distribution? C. What is the probability that the proportion of voters in the sample who will vote...
Suppose the true proportion of voters in the county who support a new fire district is...
Suppose the true proportion of voters in the county who support a new fire district is 0.61. Consider the sampling distribution for the proportion of supporters with sample size n = 136. What is the mean of this distribution? What is the standard deviation of this distribution?   
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT