Question

Suppose that a safety group surveyed 1,300 drivers. Among those​ surveyed, 76​% said that careless or...

Suppose that a safety group surveyed 1,300 drivers. Among those​ surveyed, 76​% said that careless or aggressive driving was the biggest threat on the​ road, and 37​% said that cell phone usage by other drivers was the driving behavior that annoyed them the most. Based on these data and assuming that the sample was a simple random​ sample, construct and interpret a 90​% confidence interval estimate for the true proportion in the population of all drivers who are annoyed by cell phone users.

The confidence interval estimate is?

Homework Answers

Answer #1

DATE:17-04-2020.

ANSWER:------

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an Android phone....
Among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an Android phone. (b) Construct a 99.5% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answers to at least three decimal places. A 99.5%confidence interval for the proportion of cell phone owners aged 18- 24who have an Android phone is <p< .
Among a random sample of 576 college-age male drivers, 32 said they had been ticketed for...
Among a random sample of 576 college-age male drivers, 32 said they had been ticketed for speeding during the past year. Meanwhile, among a random sample of 552 female drivers, 19 said they had been ticketed for speeding during the past year. What is the difference between males and females in terms of ticketing rates? Calculate and interpret a 90% confidence interval.
1. In a poll of 592 human resource? professionals, 44.8% said that body piercings and tattoos...
1. In a poll of 592 human resource? professionals, 44.8% said that body piercings and tattoos were big grooming red flags. Complete parts? (a) through? (d) below. ?b) Construct a? 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big grooming red flags. ___ < P < ___ ?(Round to three decimal places as? needed.) c) Repeat part? (b) using a confidence level of? 80% and rounding to three decimal...
In a July 2001 research note, the U.S. Department of Transportation reported the results of the...
In a July 2001 research note, the U.S. Department of Transportation reported the results of the National Occupant Protection Use Survey. One focus of the survey was to determine the level of cell phone use by drivers while they are driving a motor passenger vehicle. Data collected by observers at randomly selected intersection across the country revealed that in a sample of 1165 drivers, 35 were using their cell phone. (a) Check and verify the two conditions for a 98%...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of the margin of error? A. The sample size B. The sample proportion C. The confidence level D. All of the above affect the size of the margin of error E. None of the above affect the size of the margin of error 2. What percentage of couples meet through online dating apps? A survey of a random sample of couples finds that 12% say...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT