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Given n=100, and x=62, find a 90% confidence interval for p. 2. Compute a 95% confidence interval for u, with n=9,3?

Given n=100, and x=62, find a 90% confidence interval for p. 2. Compute a 95% confidence interval for u, with n=9,3?=15.2, o'=2.8 and the

population is normal. 3. What is the 2 value you would use to compute an 84% confidence interval?

Top Answer

a) 90% confidence interval for p  : 0.5402 < p < 0.6998 2)... View the full answer

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1) p= 0.62 q= 0.38 n= 100 alpha=0.1 then Z(alpha/2)=1.64 Margin of error E=Z(alpha/2)*sqrt(p*q/n)=0.07960 90% Confidence... View the full answer

[ANSWERS] a. [0.5402 ,... View the full answer

(1) CI = (0.54015 , 0.69985) (2) CI = ( 13.371 , 17.029)... View the full answer

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