Question

Construct a 95% confidence interval by hand for what proportion of students at XYZ University are...

Construct a 95% confidence interval by hand for what proportion of students at XYZ University are vegan, if you took a random sample of 100 students and 3 were vegan. Also comment on if anything concerns you about your interval and what could be causing your concern.   

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

Homework Answers

Answer #1

Concern:

Here number of successes (that is number of vegan in the sample) is less than 5 so it may not be valid confidence interval.

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
A researcher wants to construct a 95% confidence interval for the proportion of elementary school students...
A researcher wants to construct a 95% confidence interval for the proportion of elementary school students in Seward County who receive free or reduced-price school lunches. What sample size is needed so that the confidence interval will have a margin of error of 0.03?
1. Construct a 95% confidence interval for the proportion of defective items in a process when...
1. Construct a 95% confidence interval for the proportion of defective items in a process when it is found that a random sample of 100 items contains 6 defectives. 2. How large a sample is needed in problem 1 above to estimate the proportion of defective items to within 2% with 95% confidence?
if n=100 and X=30​, construct a 95​% confidence interval estimate for the population proportion.
if n=100 and X=30​, construct a 95​% confidence interval estimate for the population proportion.
1) Construct a​ 95% confidence interval to estimate the population proportion using the data below.   x...
1) Construct a​ 95% confidence interval to estimate the population proportion using the data below.   x = 24 n= 75 N= 500 2) A university would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. The basketball facility has a capacity of 3,500 and is routinely sold out. It was discovered that a total of 200 fans out of a random sample of 400 purchased concessions during the game. Construct a​...
Construct a 95​% confidence interval to estimate the population proportion with a sample proportion equal to...
Construct a 95​% confidence interval to estimate the population proportion with a sample proportion equal to 0.60 and a sample size equal to 450. LOADING... Click the icon to view a portion of the Cumulative Probabilities for the Standard Normal Distribution table. A 95​% confidence interval estimates that the population proportion is between a lower limit of nothing and an upper limit of nothing.
You want to construct a 95% confidence interval to estimate an unknown population proportion with a...
You want to construct a 95% confidence interval to estimate an unknown population proportion with a margin of error of ±2%. What is the minimum necessary sample size that you should obtain?
1.)If n=400 and X=100​, construct a 95​% confidence interval estimate of the population proportion. ≤π≤ (ROUND...
1.)If n=400 and X=100​, construct a 95​% confidence interval estimate of the population proportion. ≤π≤ (ROUND 4 DECIMAL PLACES) 2.) 19A telecommunications company wants to estimate the proportion of households that would purchase an additional telephone line if it were made available at a substantially reduced installation cost. Data are collected from a random sample of 500 households. The results indicate that 120 of the households would purchase the additional telephone line at a reduced installation cost. a. Construct a...
If n=340 and ˆp=0.65, construct a 95% confidence interval about the population proportion. YOU HAVE TO...
If n=340 and ˆp=0.65, construct a 95% confidence interval about the population proportion. YOU HAVE TO ROUND ANSWER THREE DECIMAL PLACES TO FIND THE ANSWER Preliminary: Is it safe to assume that n≤0.05 of all subjects in the population? Yes No Verify nˆp(1−ˆp)≥10.. YOU MUST ROUND ANSWER TO ONE DECIMAL TO FIND ANSWER! nˆp(1−ˆp)= Confidence Interval: What is the 95% confidence interval to estimate the population proportion? YOU MUST ANSWER TO THREE DECIMAL TO FIND ANSWER   ?????? < p <...
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe...
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A Gallup poll taken in July 2010 estimates this proportion to be 0.33. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.034 ? Write only an integer as your answer .
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe...
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A Gallup poll taken in July 2010 estimates this proportion to be 0.33. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.010 ? Write only an integer as your answer.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT