Twenty years ago, a very famous psychologist specializing in marriage counseling authored a book detailing the way in which she believed spouses should communicate. She is now interested in the proportion of all couples who bought her book who stayed together. For a random sample of 250 couples who bought her book, she found that 205 of them stayed together. Based on this, compute a 99% confidence interval for the proportion of all couples who bought her book who stayed together. Then find the lower limit and upper limit of the 99% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.) Lower limit:I Upper limit:
Twenty years ago, a very famous psychologist specializing in marriage counseling authored a book detailing the way in which she believed spouses should communicate. She is now interested in the proportion of all couples who bought her book who stayed together. For a random sample of 250 couples who bought her book, she found that 205 of them stayed together. Based on this, compute a 99% confidence interval for the proportion of all couples who bought her book who stayed together. Then find the lower limit and upper limit of the 99% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.) Lower limit:I Upper limit:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
Related questions
Question
![Twenty years ago, a very famous psychologist specializing in marriage counseling authored a book detailing the way in which she believed spouses should
communicate. She is now interested in the proportion of all couples who bought her book who stayed together. For a random sample of 250 couples who bought
her book, she found that 205 of them stayed together. Based on this, compute a 99% confidence interval for the proportion of all couples who bought her book
who stayed together. Then find the lower limit and upper limit of the 99% confidence interval.
Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.)
Lower limit:||
Upper limit:|](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4c01835a-1917-4205-8d78-27693c4a1bed%2Fb5aafbef-de90-4615-8459-019cb83d8136%2Fml97hzr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Twenty years ago, a very famous psychologist specializing in marriage counseling authored a book detailing the way in which she believed spouses should
communicate. She is now interested in the proportion of all couples who bought her book who stayed together. For a random sample of 250 couples who bought
her book, she found that 205 of them stayed together. Based on this, compute a 99% confidence interval for the proportion of all couples who bought her book
who stayed together. Then find the lower limit and upper limit of the 99% confidence interval.
Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.)
Lower limit:||
Upper limit:|
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