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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

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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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
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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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
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
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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
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
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