A smart phone manufacturer is interested in constructing a 95% confidence interval for the proportion of smart phones that break before the warranty expires. 88 of the 1585 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 blank and blank.b. If many groups of 1585 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. A smartphone manufacturer is interested in constructing a 95% confidence interval for the proportion of smartphones that break before the warranty expires. 88 of the 1585 randomly selected smartphones broke before the warranty expired. Round answers to four decimal places where possible.a. With 95% confidence, the proportion of all smartphones that break before the warranty expires is between [blank] and [blank].b. If many groups of 1585 randomly selected smartphones are selected, then a different confidence interval would be produced for each group. About [blank] percent of these confidence intervals will contain the true population proportion of all smartphones that break before the warranty expires, and about [blank] percent will not contain the true population proportion.

It is given that n = 1,585 and x = 88.

Answered: A smart phone manufacturer is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A smart phone manufacturer is interested in constructing a 95% confidence interval for the proportion of smart phones that break before the warranty expires. 88 of the 1585 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 blank and blank.

b. If many groups of 1585 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.

A smartphone manufacturer is interested in constructing a 95% confidence interval for the proportion of smartphones that break before the warranty expires. 88 of the 1585 randomly selected smartphones broke before the warranty expired. Round answers to four decimal places where possible.

a. With 95% confidence, the proportion of all smartphones that break before the warranty expires is between [blank] and [blank].

b. If many groups of 1585 randomly selected smartphones are selected, then a different confidence interval would be produced for each group. About [blank] percent of these confidence intervals will contain the true population proportion of all smartphones that break before the warranty expires, and about [blank] percent will not contain the true population proportion.

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