Asmart phone manufacturer is interested in constructing a 95% confidence interval for the proportion of smart phones that break before the warranty expires. 80 of the 1526 randomly selected smart phones broke before the warranty expired. Round answers to 4 decimal places where possible. a. With 95% confidence the proportion of all smart phones that break before the warranty expires is between and b. If many groups of 1526 randomly selected smart phones are selected, then a different confidence interval would be produced for each group. About percent of these confidence intervals will contain the true population proportion of all smart phones that break before the warranty expires and about proportion. percent will not contain the true population

Asmart phone manufacturer is interested in constructing a 95% confidence interval for the proportion of smart phones that break before the warranty expires. 80 of the 1526 randomly selected smart phones broke before the warranty expired. Round answers to 4 decimal places where possible. a. With 95% confidence the proportion of all smart phones that break before the warranty expires is between and b. If many groups of 1526 randomly selected smart phones are selected, then a different confidence interval would be produced for each group. About percent of these confidence intervals will contain the true population proportion of all smart phones that break before the warranty expires and about proportion. percent will not contain the true population

Name: Asmart phone manufacturer is interested in constructing a 95% confide
Uploaded: 2024-03-20T07:07:00.000Z
Channel: Bartleby
Description: Asmart phone manufacturer is interested in constructing a 95% confidence interval for theproportion of smart phones that break before the warranty expires. 80 of the 1526 randomlyselected smart phones broke before the warranty expired. Round answers

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Suppose we wish to construct a 95% confidence interval for the population proportion of fans in Notre Dame Stadium on a football Saturday who traveled in their own car. When we asked 200 randomly selected fans, 130 answered yes. Calculate the margin of error for this interval. Round your answer to 3 decimal places.
A smart phone manufacturer is interested in constructing a 90% confidence interval for the proportion of smart phones that break before the warranty expires. 86 of the 1686 randomly selected smart phones broke before the warranty expired. Round answers to 4 decimal places where possible. a. With 90% confidence the proportion of all smart phones that break before the warranty expires is between and . b. If many groups of 1686 randomly selected smart phones are selected, then a different confidence interval would be produced for each group. About percent of these confidence intervals will contain the true population proportion of all smart phones that break before the warranty expires and about percent will not contain the true population proportion.
In a survey of 3038 adults, 1448 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results.
Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)
smart phone manufacturer is interested in constructing a 90% confidence interval for the proportion of smart phones that break before the warranty expires. 91 of the 1608 randomly selected smart phones broke before the warranty expired. Round answers 5 decimal places where possible. a. With 90% confidence the proportion of all smartphones that break before the warranty expires is between ? and . ? b. If many groups of 1608 randomly selected smart phones are selected, then a different confidence interval would be produced for each group. About ? percent of these confidence intervals will contain the true population proportion of all smart phones that break before the warranty expires and about ? percent will not contain the true population proportion.
In a survey of 2567 adults, 1431 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results.
Question
Out of 600 people sampled , 102 had kids. Based on this , construct a 90% confidence interval for true population proportion of people with kids . give your answers as decimals to three places
A random sample of high school seniors were asked whether they were applying for college. The resulting confidence interval for the proportion of students applying for college is (0.65,0.69). What is the margin of error?
In a survey of 3500 adults, 1443 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results.
Out of 500 people sampled, 200 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to four places