Question

Suppose the true proportion of voters in the county who support a school levy is 0.55....

Suppose the true proportion of voters in the county who support a school levy is 0.55. Consider the sampling distribution for the proportion of supporters with sample size n = 198. What is the mean of this distribution?

What is the standard error of this distribution?

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
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?   
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 0.58. Consider the sampling distribution for the proportion of supporters with sample size n = 138. What is the mean of this distribution? (Enter your answer accurate to two decimal places.) What is the standard deviation of the sampling distribution (i.e. the standard error)? (Enter your answer accurate to three decimal places.)
#1 Suppose the true proportion of voters in the county who support a restaurant tax is...
#1 Suppose the true proportion of voters in the county who support a restaurant tax is 0.52. Consider the sampling distribution for the proportion of supporters with sample size n = 157. What is the mean of this distribution? What is the standard error of this distribution? #2 A city has just added 80 new female recruits to its police force. The city will provide a pension to each new hire who remains with the force until retirement. In addition,...
QUESTION PART A: The lengths of pregnancies in a small rural village are normally distributed with...
QUESTION PART A: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 15 days. In what range would you expect to find the middle 98% of most pregnancies? Between ____ days and____days. If you were to draw samples of size 50 from this population, in what range would you expect to find the middle 98% of most averages for the lengths of pregnancies in the sample?...
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 voters who voted for Donald trump in the last Presidential election was .46....
The proportion of voters who voted for Donald trump in the last Presidential election was .46. Suppose we obtain a random sample of n =400 voters who voted in the last Presidential election, and phat is the proportion of voters in the sample who voted for Trump. What is the standard deviation of the sampling distribution of phat for a sample of size 400 ?           a. 3.16 b. 9.97 c. .498 d. .0249
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...
1)A population of values has a normal distribution with μ=74.3μ=74.3 and σ=37.4σ=37.4. You intend to draw...
1)A population of values has a normal distribution with μ=74.3μ=74.3 and σ=37.4σ=37.4. You intend to draw a random sample of size n=137n=137. Find the probability that a single randomly selected value is less than 72.1. P(X < 72.1) = Find the probability that a sample of size n=137n=137 is randomly selected with a mean less than 72.1. P(¯xx¯ < 72.1) = (Enter your answers as numbers accurate to 4 decimal places.) 2)CNNBC recently reported that the mean annual cost of...
You want to estimate the proportion of American voters who are optimistic about the state of...
You want to estimate the proportion of American voters who are optimistic about the state of the economy. How large a sample would be needed to ensure a 95% confidence level that the actual population proportion of American voters will be no more than 3 percentage points from the sample proportion?(hint, no information about ? ^) (a) 1506 (b) 1068 (c) 3152 (d) 938 Suppose at the 90% confidence level we calculate a confidence interval described by 23.8<?<26.2. Which of...
Suppose that in the population, exactly 40% of all students who apply to medical school are...
Suppose that in the population, exactly 40% of all students who apply to medical school are accepted. If many random samples of size n = 475 students are selected from this population, we know the sample proportion who are accepted to medical school will vary from sample to sample. The sampling distribution of the sample proportion would be Normal in shape and would have a standard deviation equal to what value? A. 0.0010 B. 0.0225 C. 0.0459 D. 0.4000 E....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT