Correct interpretation of confidence interval

Reference no: EM13146530

In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of 450 people aged 25-29, 14% were smokers. A 95% confidence interval for the difference between the proportion of 20-24 year olds and the proportion of 25-29 year olds who are smokers is 0.032 < p1 - p2 < 0.128. Which of the following statements give a correct interpretation of this confidence interval?

Reference no: EM13146530

Questions Cloud

Find the force of friction and the coefficient of friction : 1)A car of mass 1200 kg can take turn on a circular level road of radius of 150 m with a max speed of 15m/s without skidding. Find the force of fricion and the coefficient of friction between the tyres of the car and the road ?

Deduction associated with the charitable activity : In addition, she incurred the following costs in connection with the trip: $600 for transportation, $1,200 for lodging, and $400 for meals. What is Emily's deduction associated with this charitable activity?

What will be her monthly payment to retire the mortgage : what will be her monthly payment to retire the mortgage in 15 years. Consider the 24th payment how much the intrest and the principle payments be?

Preparing a schedule of depreciation : Preparing a schedule of depreciation for forklift trucks in the receicing department of a General Electric factory in scotland

Correct interpretation of confidence interval : The proportion of 25-29 year olds who are smokers is 0.032

How much money would be accumulated in years for a deposit : how much money would be accumulated in 10 years for a deposit of 10000 made at the end of year 0 if the account earned interest at %8 per year for the first 3 years, 10 % per year for the next 4 years , and 11% per year for the last 3 years ?

Archie and bob enter into a written contract : In December 2012, Archie and Bob enter into a written contract whereby Archie agrees to rebuild Bob's Toyota Supra for $5,000 to be payable upon completion

Distinguish the carbon and energy sources : distinguish between the starting sequences, ending sequences, and enzymes used to initiate, polymerize, and terminate replication, transcription and translation.

Describe the development of the nervous system : At the sound of shattering glass, people quickly turn their heads. Discuss how the human nervous system functions to produce this type of response to an external stimulus.

User Account

All Pages