A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion of smartphones that break before the warranty expires. 462 of the 1155 randomly selected smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to 2 decimal places where possible. a. The number of successes, a = b. The sample size, n = c. As a decimal, the probability of success, p'= d. As a decimal, the probability of failure, d'= e. What symbol is the critical value?? f. How much is the critical value? c. v. = g. Find the 98% confidence interval and complete the sentence below. Conclusion: We estimate with a certain percentage confidence that the true proportion of smartphones that break before the warranty expires is between what two bounds? * The percentage is *The two bounds are %. and
A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion of smartphones that break before the warranty expires. 462 of the 1155 randomly selected smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to 2 decimal places where possible. a. The number of successes, a = b. The sample size, n = c. As a decimal, the probability of success, p'= d. As a decimal, the probability of failure, d'= e. What symbol is the critical value?? f. How much is the critical value? c. v. = g. Find the 98% confidence interval and complete the sentence below. Conclusion: We estimate with a certain percentage confidence that the true proportion of smartphones that break before the warranty expires is between what two bounds? * The percentage is *The two bounds are %. and
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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
Transcribed Image Text:A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion
of smartphones that break before the warranty expires. 462 of the 1155 randomly selected
smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to
2 decimal places where possible.
a. The number of successes, * =
b. The sample size, n =
c. As a decimal, the probability of success, p=
d. As a decimal, the probability of failure, q'=
e. What symbol is the critical value??
f. How much is the critical value? c. v. =
g. Find the 98 % confidence interval and complete the sentence below.
Conclusion: We estimate with a certain percentage confidence that the true proportion of
smartphones that break before the warranty expires is between what two bounds?
* The percentage is
* The two bounds are
%.
and
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Follow-up Question
Solve d,e,f,g
![A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion
of smartphones that break before the warranty expires. 462 of the 1155 randomly selected
smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to
2 decimal places where possible.
a. The number of successes, 2 =
b. The sample size, n = 1155
c. As a decimal, the probability of success, p= 0.4
d. As a decimal, the probability of failure, q' =
462
e. What symbol is the critical value? ? ✓
f. How much is the critical value? c. V. =
* The percentage is
* The two bounds are
g. Find the 98% confidence interval and complete the sentence below.
Conclusion: We estimate with a certain percentage confidence that the true proportion of
smartphones that break before the warranty expires is between what two bounds?
%.
Enter an integer or decimal number [more..]
and
ISUN](https://content.bartleby.com/qna-images/question/82a8ebfc-76c9-419b-9ea9-29a90be836d5/6ca36bd5-430d-40c9-9e7c-dc89d012f2a5/tcwcqfd_thumbnail.jpeg)
Transcribed Image Text:A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion
of smartphones that break before the warranty expires. 462 of the 1155 randomly selected
smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to
2 decimal places where possible.
a. The number of successes, 2 =
b. The sample size, n = 1155
c. As a decimal, the probability of success, p= 0.4
d. As a decimal, the probability of failure, q' =
462
e. What symbol is the critical value? ? ✓
f. How much is the critical value? c. V. =
* The percentage is
* The two bounds are
g. Find the 98% confidence interval and complete the sentence below.
Conclusion: We estimate with a certain percentage confidence that the true proportion of
smartphones that break before the warranty expires is between what two bounds?
%.
Enter an integer or decimal number [more..]
and
ISUN
Solution
Follow-up Question
Solve d,e,f,g
![A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion
of smartphones that break before the warranty expires. 462 of the 1155 randomly selected
smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to
2 decimal places where possible.
a. The number of successes, & =
b. The sample size, n = 1155
c. As a decimal, the probability of success, p= 0.4
d. As a decimal, the probability of failure, q' =
462
e. What symbol is the critical value? ? ✓
f. How much is the critical value? c. V. =
* The percentage is
* The two bounds are
g. Find the 98 % confidence interval and complete the sentence below.
Conclusion: We estimate with a certain percentage confidence that the true proportion of
smartphones that break before the warranty expires is between what two bounds?
%.
Enter an integer or decimal number [more..]
and
ISUN](https://content.bartleby.com/qna-images/question/82a8ebfc-76c9-419b-9ea9-29a90be836d5/2da3b5a8-e9e3-4cf8-a3ae-d7f27d02a31f/c2hbmre_thumbnail.jpeg)
Transcribed Image Text:A smartphone manufacturer is interested in constructing a 98% confidence interval for the proportion
of smartphones that break before the warranty expires. 462 of the 1155 randomly selected
smartphones broke before the warranty expired. Find the 98% confidence interval. Round answers to
2 decimal places where possible.
a. The number of successes, & =
b. The sample size, n = 1155
c. As a decimal, the probability of success, p= 0.4
d. As a decimal, the probability of failure, q' =
462
e. What symbol is the critical value? ? ✓
f. How much is the critical value? c. V. =
* The percentage is
* The two bounds are
g. Find the 98 % confidence interval and complete the sentence below.
Conclusion: We estimate with a certain percentage confidence that the true proportion of
smartphones that break before the warranty expires is between what two bounds?
%.
Enter an integer or decimal number [more..]
and
ISUN
Solution
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