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Find the confidence level related to the critical value za2=2.5

Find the confidence level related to the critical value za2=2.5

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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QUESTION Find the confidence level related to the critical value z2=2.5 O 1.2% O 98.8% O 97.2% O 89% QUESTION 10 A research study on the effect of fasting on sleep during Ramadan reported a 95% confidence interval for the mean sleep time of adults based on a sample of 646 participants. The confidence interval was (5.3, 7.5) hours. Which of the following statements is correct about the given interval? 8 The mean sleep time of fasting adults during Ramadan will surely fall between A. Correct 5.3 and 7.5 hours. B. Incorrect O We are 95% sure that the mean sleep time of adults during Ramadan is between 5.3 and 7.5 hours. e 95% of fasting adults in the sample sleep between 5.3 and 7.5 hours during Ramadan. 8 The mean sleep time of any sample of 646 fasting adults during Ramadan will fall between 5.3 and 7.5 hours.
Transcribed Image Text:QUESTION Find the confidence level related to the critical value z2=2.5 O 1.2% O 98.8% O 97.2% O 89% QUESTION 10 A research study on the effect of fasting on sleep during Ramadan reported a 95% confidence interval for the mean sleep time of adults based on a sample of 646 participants. The confidence interval was (5.3, 7.5) hours. Which of the following statements is correct about the given interval? 8 The mean sleep time of fasting adults during Ramadan will surely fall between A. Correct 5.3 and 7.5 hours. B. Incorrect O We are 95% sure that the mean sleep time of adults during Ramadan is between 5.3 and 7.5 hours. e 95% of fasting adults in the sample sleep between 5.3 and 7.5 hours during Ramadan. 8 The mean sleep time of any sample of 646 fasting adults during Ramadan will fall between 5.3 and 7.5 hours.
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