According to a study, children ranging from ages 8 to 18 averaged 6.8 hours per day using electronic media. Assume the population standard deviation is 2.3 hours per day. A random sample of 35children from this age group was selected, with a sample average of 7.7 hours of electronic media use per day. Complete parts a and b below.a. Is there support for the claim of the study using the criteria that the sample average of 7.7 hours falls within the symmetrical interval that includes 95% of the sample means if the true populationmean is 6.8 hours? Select the correct choice below and fill in the answer box within your choice.(Type an integer or decimal rounded to four decimal places as needed.)This indicates that the sample average of 7.7hours falls within the 95% symmetrical interval, supporting the claim of the study.OA. The probability P (x≥7.7):OB. The probability P (x≥7.7) =This indicates that the sample average of 7.7hours falls outside the 95% symmetrical interval, contradicting the claim of the study.

Let be the population's mean hours per day using electronic media.Given that,Population mean…

Answered: A. The probability P (x27.7) This = B.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A. The probability P (x27.7) This = B. The probability P (x≥7.7) = This