Question
Suppose a sample of 200 local vendors is selected as part of a survey conducted by the ministry of trade and it is found that
Suppose a sample of 200 local vendors is selected as part of a survey conducted by the ministry of trade and it is found that 145 of the local vendors make an average income in excess of N$ 7600 per month.
what is the 90% confidence interval estimate of the population proportion of local vendors who make an average income in excess of n$ 7600 per month?
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Prealgebra
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
7th Edition
032164008X, 9780134347202
