SOLUTION: Find the minimum sample size n needed to estimate for the given values of​ c,o ​, and E. c​=.90,o=7.2 ​,and E=2 Assume that a preliminary sample has at least 30 member

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Question 1173033: Find the minimum sample size n needed to estimate for the given values of​ c,o ​, and E.
c​=.90,o=7.2 ​,and E=2
Assume that a preliminary sample has at least 30 members.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi, 

c​=.90,o=7.2 ​,and E=2

ME =

n =   = 35.07  0r 36 is the sample size needed



 = CI	z = value

90%	z =1.645

92%	z = 1.751

95%	z = 1.96

98%	z = 2.326

99%	z = 2.576

 

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