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Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the confidence interval. O B. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the confidence interval.

Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the confidence interval. O B. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the confidence interval.

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
Section: Chapter Questions
Problem 22SGR
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Question
The data shown to the right represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. 52 30 44 35 O 26 44 47 44 Click here to view the table of critical t-values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. 37 56 30 39 Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is confidence interval. weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the O B. The lower bound is confidence interval. weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the
Transcribed Image Text:The data shown to the right represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. 52 30 44 35 O 26 44 47 44 Click here to view the table of critical t-values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. 37 56 30 39 Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is confidence interval. weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the O B. The lower bound is confidence interval. weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the
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