Find the confidence level related to the critical value za2=2.5
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
![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f45e406-9121-47ca-afa3-0389a7bb5e53%2F8e2e122e-9ccc-4442-a14c-6a97b1e599aa%2Ffhscitw_processed.jpeg&w=3840&q=75)
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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