Answers
we have given x= 526 , n = 955
a ) the best estimate of population proportion p is
= 0.551
b ) margin of Error (E) =
from z table z at 90% confidence level is 1.64
c ) the 90 % Ci for p =
= (524,577)
90\%90% confidence interval for the population proportion is 0.524<p<0.577
d ) option B is true
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