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In a certain state, a survey of 434 workers showed that 26% belonged to a union. Find the 91% confidence interval of true proportion of

In a certain state, a survey of 434 workers showed that 26% belonged to a union. Find the 91% confidence interval of true proportion of workers who belong to a union.

Question 11 options:

(.1578, .3511)

(0.3118, 0.3882)

(0.1983, 0.2798)

(0.2243, 0.2957)

(0.24, 0.45)

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