Question a survey of 21250 households concerning telephone, Ask an Expert

Statistics

Question: A survey of 21,250 households concerning telephone service gave the results shown in the table.

a. Give a point estimate for the proportion of all households in which there is a cell phone but no landline.

b. Assuming the sample is sufficiently large, construct a 99.9% confidence interval for the proportion of all households in which there is a cell phone but no landline.

c. Give a point estimate for the proportion of all households in which there is no telephone service of either kind.

d. Assuming the sample is sufficiently large, construct a 99.9% confidence interval for the proportion of all all households in which there is no telephone service of either kind.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92641842

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The stat 200 course coordinator wants to estimate the

The STAT 200 course coordinator wants to estimate the proportion of all online STAT 200 students who attend Penn State Learning tutoring sessions. In a survey of 72 students during the Summer 2018 semester, 8 had attende ...

You apply both valuation criteria and financial strength

You apply both valuation criteria and financial strength criteria in choosing stocks. The probability that a randomly selected stock from your investment universe meets your valuation criteria is 0.25. Given that a stock ...

Three airlines serve a small town in ohio airline a has 49

Three airlines serve a small town in Ohio. Airline A has 49% of all scheduled flights, airline B has 27% and airline C has the remaining 24%. Their on-time rates are 83%, 62%, and 39%, respectively. A flight just left on ...

Estimate the proportion of people in various states that

Estimate the proportion of people in various states that will use the courior services. Suppose the true proportion is 0.03. If 476 are sampled, what is the probability that the sample proportion will be less than 0.04?

A particular brand of tires claims that its deluxe tire

A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past studies of this tire, the standard deviation is known to be 8,000. A survey of owners of th ...

Stock valuation gruber corp pays a constant 9 dividend on

Stock Valuation Gruber Corp. pays a constant $9 dividend on its stock. The company will maintain this dividend for the next 12 years and will then cease paying dividends forever. If the required return on this stock is 1 ...

Peter and maryam take turns throwing one dart at the

Peter and Maryam take turns throwing one dart at the dartboard. Peter hits the bullseye with probability 1/5 and Maryam hits the bullseye with probability 1/3. Each throw is independent of the last. Whoever hits the bull ...

Briefly summarize the partnership business structure and

Briefly summarize the partnership business structure and the equity rights partners have, both in the context of managerial rights and ownership.

A random sample of 18 eighth grade students scores on a

A random sample of 18 eighth grade? students' scores on a national mathematics assessment test has a mean score of 269. This test result prompts a state school administrator to declare that the mean score for the? state' ...

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert