Question

In a poll, 416 of 1040 randomly selected adults aged 18 or older stated that they...

In a poll, 416 of 1040 randomly selected adults aged 18 or older stated that they believe there is too little spending on education. Use the information to answer the following questions.

(a) (1 pt) Obtain a point estimate for the proportion of adults aged 18 or older who feel there is too little spending on education.

(b) (2 pts) Verify that the requirements for constructing a confidence interval about p are satisfied.(You must state the requirements).

(c) (2 pts) Construct a 99% confidence interval for the proportion of adults aged 18 or older who believe there is too little spending on education.

(d) (2 pts) Interpret the confidence interval in part(d)

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
An interactive poll found that 334 of 2,302 adults aged 18 or older have at least...
An interactive poll found that 334 of 2,302 adults aged 18 or older have at least one tattoo. ​(a) Obtain a point estimate for the proportion of adults who have at least one tattoo. ​(b) Construct a 95​% confidence interval for the proportion of adults with at least one tattoo. A. Lower​ bound: ______ Upper​ bound: _____ ​(Round to three decimal places as​ needed.) B. The requirements for constructing a confidence interval are not satisfied. ​(c) Construct a 99​% confidence...
a survey of 2290 adults in a certain large country aged 18 and older conducted by...
a survey of 2290 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 404 have donated blood in the past 2 years. complete parts a through c. a.) obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past 2 years. b.) verify that the requirements for constructing a confidence interveal about p are satisfied. the sample____ a...
A survey of 2322 adults in a certain large country aged 18 and older conducted by...
A survey of 2322 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 418 have donated blood in the past two years. Complete parts​ (a) through​ (c) below. a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. ​(b) Verify that the requirements for constructing a confidence interval about p are satisfied. ​(c) Construct...
A survey of 2276 adults in a certain large country aged 18 and older conducted by...
A survey of 2276 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 409 have donated blood in the past two years. Complete parts​ (a) through​ (c) below. a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. Modifying Above p with caret equals __ ​(Round to three decimal places as​ needed.) ​(b) Verify...
An interactive poll found that 324 of 2,266 adults aged 18 or older have at least...
An interactive poll found that 324 of 2,266 adults aged 18 or older have at least one tattoo. ?(a) Obtain a point estimate for the proportion of adults who have at least one tattoo. ?(b) Construct a 90 ?% confidence interval for the proportion of adults with at least one tattoo. ?(c) Construct a 98 ?% confidence interval for the proportion of adults with at least one tattoo. ? (d) What is the effect of increasing the level of confidence...
An interactive poll found that 386 of 2 comma 324 adults aged 18 or older have...
An interactive poll found that 386 of 2 comma 324 adults aged 18 or older have at least one tattoo. ?(a) Obtain a point estimate for the proportion of adults who have at least one tattoo. ?(b) Construct a 95?% confidence interval for the proportion of adults with at least one tattoo. ?(c) Construct a 98?% confidence interval for the proportion of adults with at least one tattoo. ?(d) What is the effect of increasing the level of confidence on...
A survey of 2282 adults in a certain large country aged 18 and older conducted by...
A survey of 2282 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 416 have donated blood in the past two years. Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. ​(Round to three decimal places as​ needed.) ​Construct and interpret a 90​% confidence interval for the population proportion of adults in the country...
An organization surveyed 1040 adults in a certain country aged 18 and older and found that...
An organization surveyed 1040 adults in a certain country aged 18 and older and found that 538 believed they would not have enough money to live comfortably in retirement. Does the sample evidence suggest that a majority of adults in this country believe they will not have enough money in? retirement? Use the alpha equals 0.1 level of significance.
During a certain​ week, a poll asked 1728 ​adults, aged 18 or​ over, how they rated...
During a certain​ week, a poll asked 1728 ​adults, aged 18 or​ over, how they rated economic conditions. Only 16​% rated the economy as​ Excellent/Good. Construct a 95​% confidence interval for the true proportion of adults who rated the economy as​ Excellent/Good. What is the confidence​ interval? Select the correct choice below​ and, if​ necessary, fill in the answer boxes within your choice. A.The 95​%confidence interval is ​(-------​%,------​%).​(Round to one decimal place as needed. Use ascending​ order.) B. The conditions...
A survey of 2315 adults in a certain large country aged 18 and older conducted by...
A survey of 2315 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 416 have donated blood in the past two years. Complete parts (a)and (b) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT