Does this provide evidence to support the claim of the nutritionist?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
A nutritionist claims that children 13 to 15 years old are consuming
less than the recommended iron intake of 20.5 mg.
A random sample of 50 children 13 to 15 years old was obtained, and their daily
consumption of iron was measured. Suppose the sample yields the 95% confidence
interval
11.31mg < µ< 13.75mg
Does this provide evidence to support the claim of the nutritionist?
No, since 13.75 mg is less than 20.5 mg.
O Yes, since 11.31 mg is less than 20.5 mg.
O No, since 20.5 mg is not within the confidence interval.
Yes, since both confidence limits are less than 20.5mg.
Transcribed Image Text:A nutritionist claims that children 13 to 15 years old are consuming less than the recommended iron intake of 20.5 mg. A random sample of 50 children 13 to 15 years old was obtained, and their daily consumption of iron was measured. Suppose the sample yields the 95% confidence interval 11.31mg < µ< 13.75mg Does this provide evidence to support the claim of the nutritionist? No, since 13.75 mg is less than 20.5 mg. O Yes, since 11.31 mg is less than 20.5 mg. O No, since 20.5 mg is not within the confidence interval. Yes, since both confidence limits are less than 20.5mg.
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