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Take a Test-Ashley White Google Chrome Secure https//www.mathal.com/Student/Player Test.aspxtestld 182939729&xcenterwin; syes Ken Flowers 18SUCMP MAT Ashley White&17/15/18 10:19 P Time Limit: 01.3000 Submit a This Quiz: 15 pts possi 200 20102 Quiz:Week 6 Quiz (Graded Assignment) This Question: 1 pt 1 of 15 (5 complete) People were poled on how many books they read the previous year How many subjects are needed to estimate the namber of books read the previous year within one book with 95% confidence? hitial survey results nicate tat o-14 8 books A95% confidence level requires[]subjects (Round up to the nearest whole number as needed) Enter your answer in the answer box

Explanation / Answer

Solution:- by using information ? = 14.8 books , 95% confidence Z = 1.96, E = 1

=> A 95% confidence level requires 842 subjects

n = (Z*?/E)^2

= (1.96*14.8/1)^2

= 841.4640

= 842

  

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