Confidence interval for the true percentage
234 employees chosen randomly from one company, 12.82 % of them commute by carpooling. Develop a 90% confidence interval for the true percentage of all employees of the company who carpool
a) 7.73% b) 7.18% c) 8.54% d) 9.23%
b) 7.18% c) 8.54% d) 9.23%
c) 8.54% d) 9.23%
d) 9.23%
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